3871493 ÷ 149 
We're looking to find how many times 149 goes into 3871493.

On to step 1:
149 goes into 3 0 times with a remainder of 3.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 3, we end up with 3.
Grab the next digit (8) from the dividend, add it to 3, then carry on: 38 / 149

Advancing to step 2:
When dividing 38 by 149, we get 0 with a remainder of 38.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 38 to get 38.
Bring next digit (7) of the dividend behind the 38 and repeat the process: 387 / 149

Step 3:
149 can be fit into 387 2 times, resulting in a remainder of 89.
Use 2 as the next digit of our solution. 
Result so far: 2.0
If we subtract 298 from 387, we get 89.
Bring next digit (1) of the dividend behind the 89 and repeat the process: 891 / 149

Advancing to step 4:
If we divide 891 by 149, we get 5 and a remainder of 146.
Use 5 as the next digit of our solution. 
Result so far: 25.0
Subtract 745 from 891 to get 146.
Append the next digit (4) from the dividend to 146 and continue with: 1464 / 149

On to step 5:
When dividing 1464 by 149, we get 9 with a remainder of 123.
Record the quotient 9 as the next digit in the result. 
Result so far: 259.0
Subtracting 1341 from 1464 leaves us with 123.
Append the next digit (9) from the dividend to 123 and continue with: 1239 / 149

Advancing to step 6:
1239 divided by 149 is 8 with a remainder of 47.
The next digit of our result is 8. 
Result so far: 2598.0
If we subtract 1192 from 1239, we get 47.
Grab the next digit (3) from the dividend, add it to 47, then carry on: 473 / 149

Let's proceed to step 7:
149 goes into 473 3 times with a remainder of 26.
The next digit of our result is 3. 
Result so far: 25983.0
If we take 447 away from 473, we end up with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

On to step 8:
The number 149 fits into 260 1 times, leaving a remainder of 111.
Record the quotient 1 as the next digit in the result. 
Result so far: 25983.1
If we take 149 away from 260, we end up with 111.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1110, and continue the process.

Advancing to step 9:
1110 divided by 149 is 7 with a remainder of 67.
Record the quotient 7 as the next digit in the result. 
Result so far: 25983.17
If we take 1043 away from 1110, we end up 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.

Let's proceed to step 10:
The number 149 fits into 670 4 times, leaving a remainder of 74.
Write down 4 as next digit of the result. 
Result so far: 25983.174
Subtracting 596 from 670 leaves us with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Step 11:
149 can be fit into 740 4 times, resulting in a remainder of 144.
Put 4 as the next digit of the answer. 
Result so far: 25983.1744
If we subtract 596 from 740, we get 144.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1440, and continue the process.

Our division results in 25983.1744 with a remaining 0.00144.