353570 divided by 84 
We want to figure out the number of times 353570 can be divided by 84.

Going ahead to step 1:
84 can be fit into 3 0 times, resulting in a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Take the next digit (5) from the dividend and append it to 3, then repeat: 35 / 84

Advancing to step 2:
35 divided by 84 is 0 with a remainder of 35.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 35 after subtracting 0 from 35.
Grab the next digit (3) from the dividend, add it to 35, then carry on: 353 / 84

Moving on to step 3:
If we divide 353 by 84, we get 4 and a remainder of 17.
Put 4 as the next digit of the answer. 
Result so far: 4.0
If we take 336 away from 353, we end up with 17.
Include the next digit (5) from the dividend after 17, then repeat: 175 / 84

Moving on to step 4:
175 divided by 84 is 2 with a remainder of 7.
Use 2 as the next digit of our solution. 
Result so far: 42.0
The remainder is 7 after subtracting 168 from 175.
Take the next digit (7) from the dividend and append it to 7, then repeat: 77 / 84

On to step 5:
The number 84 fits into 77 0 times, leaving a remainder of 77.
Write down 0 as next digit of the result. 
Result so far: 420.0
If we take 0 away from 77, we end up with 77.
Bring next digit (0) of the dividend behind the 77 and repeat the process: 770 / 84

On to step 6:
When dividing 770 by 84, we get 9 with a remainder of 14.
Write down 9 as next digit of the result. 
Result so far: 4209.0
The remainder is 14 after subtracting 756 from 770.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Step 7:
If we divide 140 by 84, we get 1 and a remainder of 56.
Put 1 as the next digit of the answer. 
Result so far: 4209.1
The remainder is 56 after subtracting 84 from 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Step 8:
84 can be fit into 560 6 times, resulting in a remainder of 56.
Use 6 as the next digit of our solution. 
Result so far: 4209.16
If we take 504 away from 560, we end up with 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

On to step 9:
84 goes into 560 6 times with a remainder of 56.
Use 6 as the next digit of our solution. 
Result so far: 4209.166
Subtract 504 from 560 to get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

The final outcome is 4209.166, with a leftover of 0.0056.