We look at the division of 37661517 by 870 
We're looking to find how many times 870 goes into 37661517.

Let's proceed to step 1:
If we divide 3 by 870, we get 0 and a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Fetch the next digit (7) from the dividend, attach it to 3 and continue: 37 / 870

On to step 2:
870 can be fit into 37 0 times, resulting in a remainder of 37.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 37 and we're left with 37.
Take the next digit (6) from the dividend and append it to 37, then repeat: 376 / 870

On to step 3:
870 goes into 376 0 times with a remainder of 376.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 376 leaves us with 376.
Grab the next digit (6) from the dividend, add it to 376, then carry on: 3766 / 870

Going ahead to step 4:
When dividing 3766 by 870, we get 4 with a remainder of 286.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
Subtracting 3480 from 3766 leaves us with 286.
Bring next digit (1) of the dividend behind the 286 and repeat the process: 2861 / 870

On to step 5:
If we divide 2861 by 870, we get 3 and a remainder of 251.
The next digit of our result is 3. 
Result so far: 43.0
Deduct 2610 from 2861 and we're left with 251.
Take the next digit (5) from the dividend and append it to 251, then repeat: 2515 / 870

Step 6:
870 goes into 2515 2 times with a remainder of 775.
Write down 2 as next digit of the result. 
Result so far: 432.0
Subtracting 1740 from 2515 leaves us with 775.
Grab the next digit (1) from the dividend, add it to 775, then carry on: 7751 / 870

Moving on to step 7:
7751 divided by 870 is 8 with a remainder of 791.
Use 8 as the next digit of our solution. 
Result so far: 4328.0
Subtract 6960 from 7751 to get 791.
Include the next digit (7) from the dividend after 791, then repeat: 7917 / 870

Advancing to step 8:
7917 divided by 870 is 9 with a remainder of 87.
Use 9 as the next digit of our solution. 
Result so far: 43289.0
Subtract 7830 from 7917 to get 87.
Since there are no more digits in the dividend, we add a zero to the remainder making it 870, and continue the process.

On to step 9:
870 goes into 870 1 times with a remainder of 0.
The next digit of our result is 1. 
Result so far: 43289.1
Subtracting 870 from 870 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 10:
If we divide 0 by 870, we get 0 and a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 43289.1
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 11:
870 goes into 0 0 times with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 43289.1
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final outcome is 43289.1, with a leftover of 0.0.