We look at the division of 64478 by 70 
We want to figure out the number of times 64478 can be divided by 70.

On to step 1:
70 goes into 6 0 times with 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.
Take the next digit (4) from the dividend and append it to 6, then repeat: 64 / 70

On to step 2:
The number 70 fits into 64 0 times, leaving a remainder of 64.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 64 leaves us with 64.
Take the next digit (4) from the dividend and append it to 64, then repeat: 644 / 70

On to step 3:
644 divided by 70 is 9 with a remainder of 14.
Use 9 as the next digit of our solution. 
Result so far: 9.0
If we take 630 away from 644, we end up with 14.
Append the next digit (7) from the dividend to 14 and continue with: 147 / 70

Step 4:
147 divided by 70 is 2 with a remainder of 7.
Record the quotient 2 as the next digit in the result. 
Result so far: 92.0
If we take 140 away from 147, we end up with 7.
Include the next digit (8) from the dividend after 7, then repeat: 78 / 70

Step 5:
78 divided by 70 is 1 with a remainder of 8.
Put 1 as the next digit of the answer. 
Result so far: 921.0
If we take 70 away from 78, we end up with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Let's proceed to step 6:
The number 70 fits into 80 1 times, leaving a remainder of 10.
The number 1 becomes the next digit in our result. 
Result so far: 921.1
If we subtract 70 from 80, we 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 7:
100 divided by 70 is 1 with a remainder of 30.
Write down 1 as next digit of the result. 
Result so far: 921.11
If we take 70 away from 100, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

After the division, we end up with 921.11 and a remainder of 0.03.