64864000 divided by 603 
We want to figure out the number of times 64864000 can be divided by 603.

Step 1:
If we divide 6 by 603, we get 0 and a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 6, we get 6.
Grab the next digit (4) from the dividend, add it to 6, then carry on: 64 / 603

Step 2:
603 goes into 64 0 times with a remainder of 64.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 64 and we're left with 64.
Append the next digit (8) from the dividend to 64 and continue with: 648 / 603

Let's proceed to step 3:
603 can be fit into 648 1 times, resulting in a remainder of 45.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we take 603 away from 648, we end up with 45.
Bring next digit (6) of the dividend behind the 45 and repeat the process: 456 / 603

Going ahead to step 4:
If we divide 456 by 603, we get 0 and a remainder of 456.
Put 0 as the next digit of the answer. 
Result so far: 10.0
Subtracting 0 from 456 leaves us with 456.
Include the next digit (4) from the dividend after 456, then repeat: 4564 / 603

Going ahead to step 5:
If we divide 4564 by 603, we get 7 and a remainder of 343.
Record the quotient 7 as the next digit in the result. 
Result so far: 107.0
If we subtract 4221 from 4564, we get 343.
Grab the next digit (0) from the dividend, add it to 343, then carry on: 3430 / 603

Moving on to step 6:
When dividing 3430 by 603, we get 5 with a remainder of 415.
The number 5 becomes the next digit in our result. 
Result so far: 1075.0
Subtracting 3015 from 3430 leaves us with 415.
Fetch the next digit (0) from the dividend, attach it to 415 and continue: 4150 / 603

Step 7:
If we divide 4150 by 603, we get 6 and a remainder of 532.
The number 6 becomes the next digit in our result. 
Result so far: 10756.0
If we subtract 3618 from 4150, we get 532.
Bring next digit (0) of the dividend behind the 532 and repeat the process: 5320 / 603

Going ahead to step 8:
5320 divided by 603 is 8 with a remainder of 496.
Write down 8 as next digit of the result. 
Result so far: 107568.0
If we subtract 4824 from 5320, we get 496.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4960, and continue the process.

Moving on to step 9:
603 goes into 4960 8 times with a remainder of 136.
Write down 8 as next digit of the result. 
Result so far: 107568.8
Subtract 4824 from 4960 to get 136.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1360, and continue the process.

Step 10:
When dividing 1360 by 603, we get 2 with a remainder of 154.
Put 2 as the next digit of the answer. 
Result so far: 107568.82
The remainder is 154 after subtracting 1206 from 1360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1540, and continue the process.

Advancing to step 11:
603 can be fit into 1540 2 times, resulting in a remainder of 334.
The next digit of our result is 2. 
Result so far: 107568.822
Subtract 1206 from 1540 to get 334.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3340, and continue the process.

Our division results in 107568.822 with a remaining 0.0334.