We're dividing 78445877 by 989 
We want to figure out the number of times 78445877 can be divided by 989.

Going ahead to step 1:
When dividing 7 by 989, we get 0 with a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Append the next digit (8) from the dividend to 7 and continue with: 78 / 989

Going ahead to step 2:
The number 989 fits into 78 0 times, leaving a remainder of 78.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 78, we end up with 78.
Grab the next digit (4) from the dividend, add it to 78, then carry on: 784 / 989

Going ahead to step 3:
784 divided by 989 is 0 with a remainder of 784.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 784 and we're left with 784.
Append the next digit (4) from the dividend to 784 and continue with: 7844 / 989

On to step 4:
7844 divided by 989 is 7 with a remainder of 921.
Write down 7 as next digit of the result. 
Result so far: 7.0
If we subtract 6923 from 7844, we get 921.
Include the next digit (5) from the dividend after 921, then repeat: 9215 / 989

Let's proceed to step 5:
When dividing 9215 by 989, we get 9 with a remainder of 314.
The number 9 becomes the next digit in our result. 
Result so far: 79.0
If we take 8901 away from 9215, we end up with 314.
Grab the next digit (8) from the dividend, add it to 314, then carry on: 3148 / 989

On to step 6:
The number 989 fits into 3148 3 times, leaving a remainder of 181.
The number 3 becomes the next digit in our result. 
Result so far: 793.0
Subtract 2967 from 3148 to get 181.
Fetch the next digit (7) from the dividend, attach it to 181 and continue: 1817 / 989

Advancing to step 7:
If we divide 1817 by 989, we get 1 and a remainder of 828.
Record the quotient 1 as the next digit in the result. 
Result so far: 7931.0
Subtracting 989 from 1817 leaves us with 828.
Bring next digit (7) of the dividend behind the 828 and repeat the process: 8287 / 989

Advancing to step 8:
When dividing 8287 by 989, we get 8 with a remainder of 375.
The number 8 becomes the next digit in our result. 
Result so far: 79318.0
Subtract 7912 from 8287 to get 375.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3750, and continue the process.

Advancing to step 9:
989 goes into 3750 3 times with a remainder of 783.
Use 3 as the next digit of our solution. 
Result so far: 79318.3
Subtracting 2967 from 3750 leaves us with 783.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7830, and continue the process.

Moving on to step 10:
If we divide 7830 by 989, we get 7 and a remainder of 907.
The number 7 becomes the next digit in our result. 
Result so far: 79318.37
Subtracting 6923 from 7830 leaves us with 907.
Since there are no more digits in the dividend, we add a zero to the remainder making it 9070, and continue the process.

Step 11:
9070 divided by 989 is 9 with a remainder of 169.
Use 9 as the next digit of our solution. 
Result so far: 79318.379
Deduct 8901 from 9070 and we're left with 169.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1690, and continue the process.

Step 12:
1690 divided by 989 is 1 with a remainder of 701.
Use 1 as the next digit of our solution. 
Result so far: 79318.3791
If we take 989 away from 1690, we end up with 701.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7010, and continue the process.

Advancing to step 13:
If we divide 7010 by 989, we get 7 and a remainder of 87.
Write down 7 as next digit of the result. 
Result so far: 79318.37917
The remainder is 87 after subtracting 6923 from 7010.
Since there are no more digits in the dividend, we add a zero to the remainder making it 870, and continue the process.

Going ahead to step 14:
If we divide 870 by 989, we get 0 and a remainder of 870.
Record the quotient 0 as the next digit in the result. 
Result so far: 79318.37917
Subtracting 0 from 870 leaves us with 870.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8700, and continue the process.

Advancing to step 15:
When dividing 8700 by 989, we get 8 with a remainder of 788.
The next digit of our result is 8. 
Result so far: 79318.3791708
Deduct 7912 from 8700 and we're left with 788.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7880, and continue the process.

Advancing to step 16:
The number 989 fits into 7880 7 times, leaving a remainder of 957.
Record the quotient 7 as the next digit in the result. 
Result so far: 79318.37917087
Deduct 6923 from 7880 and we're left with 957.
Since there are no more digits in the dividend, we add a zero to the remainder making it 9570, and continue the process.

The final outcome is 79318.37917087, with a leftover of 9.57e-07.