We divide 161487 by 20
We're looking to find how many times 20 goes into 161487.

Advancing to step 1:
1 divided by 20 is 0 with a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Grab the next digit (6) from the dividend, add it to 1, then carry on: 16 / 20

Advancing to step 2:
16 divided by 20 is 0 with a remainder of 16.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 16, we end up with 16.
Include the next digit (1) from the dividend after 16, then repeat: 161 / 20

Moving on to step 3:
If we divide 161 by 20, we get 8 and a remainder of 1.
Use 8 as the next digit of our solution. 
Result so far: 8.0
Deduct 160 from 161 and we're left with 1.
Take the next digit (4) from the dividend and append it to 1, then repeat: 14 / 20

Moving on to step 4:
20 goes into 14 0 times with a remainder of 14.
Record the quotient 0 as the next digit in the result. 
Result so far: 80.0
The remainder is 14 after subtracting 0 from 14.
Grab the next digit (8) from the dividend, add it to 14, then carry on: 148 / 20

Advancing to step 5:
148 divided by 20 is 7 with a remainder of 8.
Record the quotient 7 as the next digit in the result. 
Result so far: 807.0
If we take 140 away from 148, we end up with 8.
Grab the next digit (7) from the dividend, add it to 8, then carry on: 87 / 20

Let's proceed to step 6:
If we divide 87 by 20, we get 4 and a remainder of 7.
Write down 4 as next digit of the result. 
Result so far: 8074.0
The remainder is 7 after subtracting 80 from 87.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Step 7:
20 can be fit into 70 3 times, resulting in a remainder of 10.
Put 3 as the next digit of the answer. 
Result so far: 8074.3
Deduct 60 from 70 and we're left with 10.
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:
100 divided by 20 is 5 with a remainder of 0.
Put 5 as the next digit of the answer. 
Result so far: 8074.35
Deduct 100 from 100 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.

Moving on to step 9:
The number 20 fits into 0 0 times, leaving a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 8074.35
The remainder is 0 after subtracting 0 from 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 10:
The number 20 fits into 0 0 times, leaving a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 8074.35
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.

Our division results in 8074.35 with a remaining 0.0.