577920 ÷ 63 
We're looking to find how many times 63 goes into 577920.

On to step 1:
63 can be fit into 5 0 times, resulting in a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Take the next digit (7) from the dividend and append it to 5, then repeat: 57 / 63

Step 2:
When dividing 57 by 63, we get 0 with a remainder of 57.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 57, we end up with 57.
Fetch the next digit (7) from the dividend, attach it to 57 and continue: 577 / 63

Going ahead to step 3:
The number 63 fits into 577 9 times, leaving a remainder of 10.
Put 9 as the next digit of the answer. 
Result so far: 9.0
Subtracting 567 from 577 leaves us with 10.
Bring next digit (9) of the dividend behind the 10 and repeat the process: 109 / 63

On to step 4:
When dividing 109 by 63, we get 1 with a remainder of 46.
Write down 1 as next digit of the result. 
Result so far: 91.0
Subtract 63 from 109 to get 46.
Grab the next digit (2) from the dividend, add it to 46, then carry on: 462 / 63

Step 5:
63 can be fit into 462 7 times, resulting in a remainder of 21.
Put 7 as the next digit of the answer. 
Result so far: 917.0
Deduct 441 from 462 and we're left with 21.
Append the next digit (0) from the dividend to 21 and continue with: 210 / 63

Let's proceed to step 6:
When dividing 210 by 63, we get 3 with a remainder of 21.
Write down 3 as next digit of the result. 
Result so far: 9173.0
If we take 189 away from 210, we end up with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Advancing to step 7:
The number 63 fits into 210 3 times, leaving a remainder of 21.
Use 3 as the next digit of our solution. 
Result so far: 9173.3
Deduct 189 from 210 and we're left with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Advancing to step 8:
If we divide 210 by 63, we get 3 and a remainder of 21.
Record the quotient 3 as the next digit in the result. 
Result so far: 9173.33
The remainder is 21 after subtracting 189 from 210.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

The quotient of the division is 9173.33, and the remainder is 0.021.