We divide 65680640 by 603
Let's see how many times 603 fits into 65680640.

Going ahead to step 1:
When dividing 6 by 603, we get 0 with a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Take the next digit (5) from the dividend and append it to 6, then repeat: 65 / 603

Step 2:
603 goes into 65 0 times with a remainder of 65.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 65, we end up with 65.
Include the next digit (6) from the dividend after 65, then repeat: 656 / 603

Advancing to step 3:
When dividing 656 by 603, we get 1 with a remainder of 53.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we take 603 away from 656, we end up with 53.
Fetch the next digit (8) from the dividend, attach it to 53 and continue: 538 / 603

Let's proceed to step 4:
When dividing 538 by 603, we get 0 with a remainder of 538.
Use 0 as the next digit of our solution. 
Result so far: 10.0
If we subtract 0 from 538, we get 538.
Grab the next digit (0) from the dividend, add it to 538, then carry on: 5380 / 603

Advancing to step 5:
When dividing 5380 by 603, we get 8 with a remainder of 556.
The number 8 becomes the next digit in our result. 
Result so far: 108.0
If we subtract 4824 from 5380, we get 556.
Bring next digit (6) of the dividend behind the 556 and repeat the process: 5566 / 603

Going ahead to step 6:
603 can be fit into 5566 9 times, resulting in a remainder of 139.
The number 9 becomes the next digit in our result. 
Result so far: 1089.0
Subtract 5427 from 5566 to get 139.
Bring next digit (4) of the dividend behind the 139 and repeat the process: 1394 / 603

Advancing to step 7:
603 goes into 1394 2 times with a remainder of 188.
The number 2 becomes the next digit in our result. 
Result so far: 10892.0
The remainder is 188 after subtracting 1206 from 1394.
Grab the next digit (0) from the dividend, add it to 188, then carry on: 1880 / 603

Step 8:
If we divide 1880 by 603, we get 3 and a remainder of 71.
The number 3 becomes the next digit in our result. 
Result so far: 108923.0
If we take 1809 away from 1880, we end up with 71.
Since there are no more digits in the dividend, we add a zero to the remainder making it 710, and continue the process.

Step 9:
The number 603 fits into 710 1 times, leaving a remainder of 107.
Put 1 as the next digit of the answer. 
Result so far: 108923.1
Subtract 603 from 710 to get 107.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1070, and continue the process.

Step 10:
1070 divided by 603 is 1 with a remainder of 467.
Record the quotient 1 as the next digit in the result. 
Result so far: 108923.11
Subtracting 603 from 1070 leaves us with 467.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4670, and continue the process.

The final outcome is 108923.11, with a leftover of 0.467.