621503 ÷ 83 
Let's see how many times 83 fits into 621503.

Moving on to step 1:
The number 83 fits into 6 0 times, leaving a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Append the next digit (2) from the dividend to 6 and continue with: 62 / 83

Step 2:
If we divide 62 by 83, we get 0 and a remainder of 62.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 62, we end up with 62.
Take the next digit (1) from the dividend and append it to 62, then repeat: 621 / 83

Advancing to step 3:
621 divided by 83 is 7 with a remainder of 40.
Use 7 as the next digit of our solution. 
Result so far: 7.0
Subtracting 581 from 621 leaves us with 40.
Take the next digit (5) from the dividend and append it to 40, then repeat: 405 / 83

On to step 4:
If we divide 405 by 83, we get 4 and a remainder of 73.
The number 4 becomes the next digit in our result. 
Result so far: 74.0
If we take 332 away from 405, we end up with 73.
Take the next digit (0) from the dividend and append it to 73, then repeat: 730 / 83

Let's proceed to step 5:
83 can be fit into 730 8 times, resulting in a remainder of 66.
Put 8 as the next digit of the answer. 
Result so far: 748.0
The remainder is 66 after subtracting 664 from 730.
Take the next digit (3) from the dividend and append it to 66, then repeat: 663 / 83

Going ahead to step 6:
The number 83 fits into 663 7 times, leaving a remainder of 82.
Write down 7 as next digit of the result. 
Result so far: 7487.0
The remainder is 82 after subtracting 581 from 663.
Since there are no more digits in the dividend, we add a zero to the remainder making it 820, and continue the process.

Step 7:
When dividing 820 by 83, we get 9 with a remainder of 73.
The next digit of our result is 9. 
Result so far: 7487.9
Subtracting 747 from 820 leaves us with 73.
Since there are no more digits in the dividend, we add a zero to the remainder making it 730, and continue the process.

Advancing to step 8:
If we divide 730 by 83, we get 8 and a remainder of 66.
Record the quotient 8 as the next digit in the result. 
Result so far: 7487.98
Subtract 664 from 730 to get 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Going ahead to step 9:
83 goes into 660 7 times with a remainder of 79.
Write down 7 as next digit of the result. 
Result so far: 7487.987
If we take 581 away from 660, we end up with 79.
Since there are no more digits in the dividend, we add a zero to the remainder making it 790, and continue the process.

Let's proceed to step 10:
83 can be fit into 790 9 times, resulting in a remainder of 43.
Put 9 as the next digit of the answer. 
Result so far: 7487.9879
Deduct 747 from 790 and we're left with 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Moving on to step 11:
When dividing 430 by 83, we get 5 with a remainder of 15.
Write down 5 as next digit of the result. 
Result so far: 7487.98795
Deduct 415 from 430 and we're left with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Advancing to step 12:
150 divided by 83 is 1 with a remainder of 67.
Put 1 as the next digit of the answer. 
Result so far: 7487.987951
Deduct 83 from 150 and we're left with 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

Step 13:
83 goes into 670 8 times with a remainder of 6.
Use 8 as the next digit of our solution. 
Result so far: 7487.9879518
Subtracting 664 from 670 leaves us with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Moving on to step 14:
60 divided by 83 is 0 with a remainder of 60.
Record the quotient 0 as the next digit in the result. 
Result so far: 7487.9879518
The remainder is 60 after subtracting 0 from 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

After the division, we end up with 7487.9879518 and a remainder of 6e-08.