112521 ÷ 80 
Let's see how many times 80 fits into 112521.

Going ahead to step 1:
80 goes into 1 0 times with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Take the next digit (1) from the dividend and append it to 1, then repeat: 11 / 80

Step 2:
80 can be fit into 11 0 times, resulting in a remainder of 11.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 11 after subtracting 0 from 11.
Take the next digit (2) from the dividend and append it to 11, then repeat: 112 / 80

Let's proceed to step 3:
80 can be fit into 112 1 times, resulting in a remainder of 32.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
The remainder is 32 after subtracting 80 from 112.
Include the next digit (5) from the dividend after 32, then repeat: 325 / 80

Going ahead to step 4:
The number 80 fits into 325 4 times, leaving a remainder of 5.
Put 4 as the next digit of the answer. 
Result so far: 14.0
Deduct 320 from 325 and we're left with 5.
Include the next digit (2) from the dividend after 5, then repeat: 52 / 80

Going ahead to step 5:
52 divided by 80 is 0 with a remainder of 52.
Put 0 as the next digit of the answer. 
Result so far: 140.0
Subtracting 0 from 52 leaves us with 52.
Bring next digit (1) of the dividend behind the 52 and repeat the process: 521 / 80

Advancing to step 6:
521 divided by 80 is 6 with a remainder of 41.
Put 6 as the next digit of the answer. 
Result so far: 1406.0
The remainder is 41 after subtracting 480 from 521.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Let's proceed to step 7:
80 can be fit into 410 5 times, resulting in a remainder of 10.
The next digit of our result is 5. 
Result so far: 1406.5
The remainder is 10 after subtracting 400 from 410.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 8:
80 goes into 100 1 times with a remainder of 20.
Write down 1 as next digit of the result. 
Result so far: 1406.51
Subtract 80 from 100 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 9:
The number 80 fits into 200 2 times, leaving a remainder of 40.
The number 2 becomes the next digit in our result. 
Result so far: 1406.512
The remainder is 40 after subtracting 160 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Step 10:
80 goes into 400 5 times with a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 1406.5125
Subtract 400 from 400 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.

Going ahead to step 11:
If we divide 0 by 80, we get 0 and a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 1406.5125
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.

Let's proceed to step 12:
When dividing 0 by 80, we get 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 1406.5125
Deduct 0 from 0 and we're left 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 1406.5125 with a remainder of 0.0.