61615393 divided by 320 
We want to figure out the number of times 61615393 can be divided by 320.

Let's proceed to step 1:
If we divide 6 by 320, we get 0 and a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 6, we get 6.
Take the next digit (1) from the dividend and append it to 6, then repeat: 61 / 320

Advancing to step 2:
320 goes into 61 0 times with a remainder of 61.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 61 leaves us with 61.
Append the next digit (6) from the dividend to 61 and continue with: 616 / 320

Let's proceed to step 3:
616 divided by 320 is 1 with a remainder of 296.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtract 320 from 616 to get 296.
Include the next digit (1) from the dividend after 296, then repeat: 2961 / 320

Moving on to step 4:
320 goes into 2961 9 times with a remainder of 81.
Put 9 as the next digit of the answer. 
Result so far: 19.0
The remainder is 81 after subtracting 2880 from 2961.
Take the next digit (5) from the dividend and append it to 81, then repeat: 815 / 320

Let's proceed to step 5:
320 can be fit into 815 2 times, resulting in a remainder of 175.
Write down 2 as next digit of the result. 
Result so far: 192.0
Deduct 640 from 815 and we're left with 175.
Fetch the next digit (3) from the dividend, attach it to 175 and continue: 1753 / 320

On to step 6:
1753 divided by 320 is 5 with a remainder of 153.
Write down 5 as next digit of the result. 
Result so far: 1925.0
If we subtract 1600 from 1753, we get 153.
Bring next digit (9) of the dividend behind the 153 and repeat the process: 1539 / 320

Moving on to step 7:
1539 divided by 320 is 4 with a remainder of 259.
Use 4 as the next digit of our solution. 
Result so far: 19254.0
The remainder is 259 after subtracting 1280 from 1539.
Bring next digit (3) of the dividend behind the 259 and repeat the process: 2593 / 320

Going ahead to step 8:
320 goes into 2593 8 times with a remainder of 33.
Put 8 as the next digit of the answer. 
Result so far: 192548.0
Subtract 2560 from 2593 to get 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

On to step 9:
320 goes into 330 1 times with a remainder of 10.
The next digit of our result is 1. 
Result so far: 192548.1
Subtract 320 from 330 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

On to step 10:
320 can be fit into 100 0 times, resulting in a remainder of 100.
The next digit of our result is 0. 
Result so far: 192548.1
If we subtract 0 from 100, we get 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Step 11:
If we divide 1000 by 320, we get 3 and a remainder of 40.
The next digit of our result is 3. 
Result so far: 192548.103
The remainder is 40 after subtracting 960 from 1000.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 12:
320 can be fit into 400 1 times, resulting in a remainder of 80.
The next digit of our result is 1. 
Result so far: 192548.1031
Subtract 320 from 400 to get 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Going ahead to step 13:
800 divided by 320 is 2 with a remainder of 160.
Write down 2 as next digit of the result. 
Result so far: 192548.10312
The remainder is 160 after subtracting 640 from 800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Let's proceed to step 14:
320 can be fit into 1600 5 times, resulting in a remainder of 0.
The number 5 becomes the next digit in our result. 
Result so far: 192548.103125
Subtract 1600 from 1600 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.

Advancing to step 15:
320 goes into 0 0 times with a remainder of 0.
The next digit of our result is 0. 
Result so far: 192548.103125
If we subtract 0 from 0, we 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.

Moving on to step 16:
0 divided by 320 is 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 192548.103125
Subtracting 0 from 0 leaves us 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 192548.103125 with a remainder of 0.0.