96071558 ÷ 646 
Our goal is to divide 96071558 by 646.

Moving on to step 1:
646 goes into 9 0 times with a remainder of 9.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 9 after subtracting 0 from 9.
Fetch the next digit (6) from the dividend, attach it to 9 and continue: 96 / 646

Advancing to step 2:
646 goes into 96 0 times with a remainder of 96.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 96 to get 96.
Grab the next digit (0) from the dividend, add it to 96, then carry on: 960 / 646

Moving on to step 3:
When dividing 960 by 646, we get 1 with a remainder of 314.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 646 from 960, we get 314.
Bring next digit (7) of the dividend behind the 314 and repeat the process: 3147 / 646

Advancing to step 4:
The number 646 fits into 3147 4 times, leaving a remainder of 563.
Write down 4 as next digit of the result. 
Result so far: 14.0
If we subtract 2584 from 3147, we get 563.
Append the next digit (1) from the dividend to 563 and continue with: 5631 / 646

Step 5:
When dividing 5631 by 646, we get 8 with a remainder of 463.
The number 8 becomes the next digit in our result. 
Result so far: 148.0
Subtract 5168 from 5631 to get 463.
Bring next digit (5) of the dividend behind the 463 and repeat the process: 4635 / 646

Step 6:
646 goes into 4635 7 times with a remainder of 113.
Record the quotient 7 as the next digit in the result. 
Result so far: 1487.0
Deduct 4522 from 4635 and we're left with 113.
Take the next digit (5) from the dividend and append it to 113, then repeat: 1135 / 646

Going ahead to step 7:
When dividing 1135 by 646, we get 1 with a remainder of 489.
Use 1 as the next digit of our solution. 
Result so far: 14871.0
Subtracting 646 from 1135 leaves us with 489.
Take the next digit (8) from the dividend and append it to 489, then repeat: 4898 / 646

Going ahead to step 8:
646 can be fit into 4898 7 times, resulting in a remainder of 376.
Record the quotient 7 as the next digit in the result. 
Result so far: 148717.0
Subtract 4522 from 4898 to get 376.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3760, and continue the process.

Advancing to step 9:
646 can be fit into 3760 5 times, resulting in a remainder of 530.
The number 5 becomes the next digit in our result. 
Result so far: 148717.5
The remainder is 530 after subtracting 3230 from 3760.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5300, and continue the process.

Let's proceed to step 10:
5300 divided by 646 is 8 with a remainder of 132.
Put 8 as the next digit of the answer. 
Result so far: 148717.58
If we subtract 5168 from 5300, we get 132.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1320, and continue the process.

Let's proceed to step 11:
If we divide 1320 by 646, we get 2 and a remainder of 28.
Put 2 as the next digit of the answer. 
Result so far: 148717.582
The remainder is 28 after subtracting 1292 from 1320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Advancing to step 12:
646 goes into 280 0 times with a remainder of 280.
The next digit of our result is 0. 
Result so far: 148717.582
The remainder is 280 after subtracting 0 from 280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2800, and continue the process.

Moving on to step 13:
646 goes into 2800 4 times with a remainder of 216.
The number 4 becomes the next digit in our result. 
Result so far: 148717.58204
Subtract 2584 from 2800 to get 216.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2160, and continue the process.

Let's proceed to step 14:
646 goes into 2160 3 times with a remainder of 222.
Use 3 as the next digit of our solution. 
Result so far: 148717.582043
The remainder is 222 after subtracting 1938 from 2160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2220, and continue the process.

Advancing to step 15:
When dividing 2220 by 646, we get 3 with a remainder of 282.
Put 3 as the next digit of the answer. 
Result so far: 148717.5820433
If we take 1938 away from 2220, we end up with 282.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2820, and continue the process.

The final outcome is 148717.5820433, with a leftover of 2.82e-06.