13970799 divided by 800 
We're looking to find how many times 800 goes into 13970799.

Going ahead to step 1:
800 goes into 1 0 times with a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Grab the next digit (3) from the dividend, add it to 1, then carry on: 13 / 800

On to step 2:
800 can be fit into 13 0 times, resulting in a remainder of 13.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 13 after subtracting 0 from 13.
Include the next digit (9) from the dividend after 13, then repeat: 139 / 800

Advancing to step 3:
800 goes into 139 0 times with a remainder of 139.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 139 to get 139.
Include the next digit (7) from the dividend after 139, then repeat: 1397 / 800

Step 4:
1397 divided by 800 is 1 with a remainder of 597.
The next digit of our result is 1. 
Result so far: 1.0
Subtracting 800 from 1397 leaves us with 597.
Grab the next digit (0) from the dividend, add it to 597, then carry on: 5970 / 800

Going ahead to step 5:
5970 divided by 800 is 7 with a remainder of 370.
Record the quotient 7 as the next digit in the result. 
Result so far: 17.0
Subtracting 5600 from 5970 leaves us with 370.
Fetch the next digit (7) from the dividend, attach it to 370 and continue: 3707 / 800

Let's proceed to step 6:
If we divide 3707 by 800, we get 4 and a remainder of 507.
Put 4 as the next digit of the answer. 
Result so far: 174.0
If we take 3200 away from 3707, we end up with 507.
Fetch the next digit (9) from the dividend, attach it to 507 and continue: 5079 / 800

Moving on to step 7:
5079 divided by 800 is 6 with a remainder of 279.
Put 6 as the next digit of the answer. 
Result so far: 1746.0
Subtract 4800 from 5079 to get 279.
Include the next digit (9) from the dividend after 279, then repeat: 2799 / 800

Advancing to step 8:
When dividing 2799 by 800, we get 3 with a remainder of 399.
Put 3 as the next digit of the answer. 
Result so far: 17463.0
Subtracting 2400 from 2799 leaves us with 399.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3990, and continue the process.

Step 9:
800 can be fit into 3990 4 times, resulting in a remainder of 790.
The number 4 becomes the next digit in our result. 
Result so far: 17463.4
Subtracting 3200 from 3990 leaves us with 790.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7900, and continue the process.

Moving on to step 10:
800 can be fit into 7900 9 times, resulting in a remainder of 700.
Write down 9 as next digit of the result. 
Result so far: 17463.49
If we take 7200 away from 7900, we end up with 700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7000, and continue the process.

Going ahead to step 11:
7000 divided by 800 is 8 with a remainder of 600.
Put 8 as the next digit of the answer. 
Result so far: 17463.498
Subtracting 6400 from 7000 leaves us with 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6000, and continue the process.

Step 12:
800 can be fit into 6000 7 times, resulting in a remainder of 400.
The next digit of our result is 7. 
Result so far: 17463.4987
Deduct 5600 from 6000 and we're left with 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

On to step 13:
The number 800 fits into 4000 5 times, leaving a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 17463.49875
The remainder is 0 after subtracting 4000 from 4000.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 14:
The number 800 fits into 0 0 times, leaving a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 17463.49875
If we take 0 away from 0, we end up 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.

Advancing to step 15:
If we divide 0 by 800, we get 0 and a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 17463.49875
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 result is 17463.49875 with a remainder of 0.0.