66259545 ÷ 278 
Let's see how many times 278 fits into 66259545.

Step 1:
When dividing 6 by 278, we get 0 with a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Fetch the next digit (6) from the dividend, attach it to 6 and continue: 66 / 278

Advancing to step 2:
278 can be fit into 66 0 times, resulting in a remainder of 66.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 66, we get 66.
Bring next digit (2) of the dividend behind the 66 and repeat the process: 662 / 278

On to step 3:
The number 278 fits into 662 2 times, leaving a remainder of 106.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
The remainder is 106 after subtracting 556 from 662.
Take the next digit (5) from the dividend and append it to 106, then repeat: 1065 / 278

Let's proceed to step 4:
When dividing 1065 by 278, we get 3 with a remainder of 231.
The next digit of our result is 3. 
Result so far: 23.0
Deduct 834 from 1065 and we're left with 231.
Bring next digit (9) of the dividend behind the 231 and repeat the process: 2319 / 278

Moving on to step 5:
278 goes into 2319 8 times with a remainder of 95.
Write down 8 as next digit of the result. 
Result so far: 238.0
If we take 2224 away from 2319, we end up with 95.
Grab the next digit (5) from the dividend, add it to 95, then carry on: 955 / 278

Advancing to step 6:
955 divided by 278 is 3 with a remainder of 121.
Write down 3 as next digit of the result. 
Result so far: 2383.0
The remainder is 121 after subtracting 834 from 955.
Bring next digit (4) of the dividend behind the 121 and repeat the process: 1214 / 278

Advancing to step 7:
278 goes into 1214 4 times with a remainder of 102.
Write down 4 as next digit of the result. 
Result so far: 23834.0
If we take 1112 away from 1214, we end up with 102.
Include the next digit (5) from the dividend after 102, then repeat: 1025 / 278

Advancing to step 8:
The number 278 fits into 1025 3 times, leaving a remainder of 191.
Use 3 as the next digit of our solution. 
Result so far: 238343.0
Subtracting 834 from 1025 leaves us with 191.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1910, and continue the process.

Advancing to step 9:
278 can be fit into 1910 6 times, resulting in a remainder of 242.
Put 6 as the next digit of the answer. 
Result so far: 238343.6
Deduct 1668 from 1910 and we're left with 242.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2420, and continue the process.

On to step 10:
278 can be fit into 2420 8 times, resulting in a remainder of 196.
Write down 8 as next digit of the result. 
Result so far: 238343.68
The remainder is 196 after subtracting 2224 from 2420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1960, and continue the process.

On to step 11:
If we divide 1960 by 278, we get 7 and a remainder of 14.
The number 7 becomes the next digit in our result. 
Result so far: 238343.687
Subtracting 1946 from 1960 leaves us with 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Moving on to step 12:
When dividing 140 by 278, we get 0 with a remainder of 140.
The number 0 becomes the next digit in our result. 
Result so far: 238343.687
Subtract 0 from 140 to get 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

Moving on to step 13:
The number 278 fits into 1400 5 times, leaving a remainder of 10.
The number 5 becomes the next digit in our result. 
Result so far: 238343.68705
Subtracting 1390 from 1400 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 14:
278 can be fit into 100 0 times, resulting in a remainder of 100.
The next digit of our result is 0. 
Result so far: 238343.68705
If we take 0 away from 100, we end up with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Going ahead to step 15:
The number 278 fits into 1000 3 times, leaving a remainder of 166.
The number 3 becomes the next digit in our result. 
Result so far: 238343.6870503
Subtract 834 from 1000 to get 166.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1660, and continue the process.

On to step 16:
278 can be fit into 1660 5 times, resulting in a remainder of 270.
Write down 5 as next digit of the result. 
Result so far: 238343.68705035
The remainder is 270 after subtracting 1390 from 1660.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2700, and continue the process.

The final result is 238343.68705035 with a remainder of 2.7e-07.