We divide 78152990 by 401
Let's see how many times 401 fits into 78152990.

Step 1:
The number 401 fits into 7 0 times, leaving a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Take the next digit (8) from the dividend and append it to 7, then repeat: 78 / 401

Going ahead to step 2:
If we divide 78 by 401, we get 0 and a remainder of 78.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 78, we get 78.
Take the next digit (1) from the dividend and append it to 78, then repeat: 781 / 401

Going ahead to step 3:
The number 401 fits into 781 1 times, leaving a remainder of 380.
Write down 1 as next digit of the result. 
Result so far: 1.0
The remainder is 380 after subtracting 401 from 781.
Include the next digit (5) from the dividend after 380, then repeat: 3805 / 401

Advancing to step 4:
401 goes into 3805 9 times with a remainder of 196.
The number 9 becomes the next digit in our result. 
Result so far: 19.0
The remainder is 196 after subtracting 3609 from 3805.
Include the next digit (2) from the dividend after 196, then repeat: 1962 / 401

Let's proceed to step 5:
1962 divided by 401 is 4 with a remainder of 358.
Record the quotient 4 as the next digit in the result. 
Result so far: 194.0
The remainder is 358 after subtracting 1604 from 1962.
Include the next digit (9) from the dividend after 358, then repeat: 3589 / 401

On to step 6:
401 can be fit into 3589 8 times, resulting in a remainder of 381.
Use 8 as the next digit of our solution. 
Result so far: 1948.0
Deduct 3208 from 3589 and we're left with 381.
Append the next digit (9) from the dividend to 381 and continue with: 3819 / 401

Moving on to step 7:
401 can be fit into 3819 9 times, resulting in a remainder of 210.
The number 9 becomes the next digit in our result. 
Result so far: 19489.0
Deduct 3609 from 3819 and we're left with 210.
Bring next digit (0) of the dividend behind the 210 and repeat the process: 2100 / 401

Step 8:
2100 divided by 401 is 5 with a remainder of 95.
The number 5 becomes the next digit in our result. 
Result so far: 194895.0
If we take 2005 away from 2100, we end up with 95.
Since there are no more digits in the dividend, we add a zero to the remainder making it 950, and continue the process.

On to step 9:
401 can be fit into 950 2 times, resulting in a remainder of 148.
Record the quotient 2 as the next digit in the result. 
Result so far: 194895.2
Subtracting 802 from 950 leaves us with 148.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1480, and continue the process.

Let's proceed to step 10:
401 goes into 1480 3 times with a remainder of 277.
The number 3 becomes the next digit in our result. 
Result so far: 194895.23
If we take 1203 away from 1480, we end up with 277.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2770, and continue the process.

Step 11:
401 can be fit into 2770 6 times, resulting in a remainder of 364.
Record the quotient 6 as the next digit in the result. 
Result so far: 194895.236
If we subtract 2406 from 2770, we get 364.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3640, and continue the process.

Let's proceed to step 12:
When dividing 3640 by 401, we get 9 with a remainder of 31.
The number 9 becomes the next digit in our result. 
Result so far: 194895.2369
The remainder is 31 after subtracting 3609 from 3640.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Step 13:
When dividing 310 by 401, we get 0 with a remainder of 310.
Record the quotient 0 as the next digit in the result. 
Result so far: 194895.2369
Subtracting 0 from 310 leaves us with 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

Advancing to step 14:
When dividing 3100 by 401, we get 7 with a remainder of 293.
The next digit of our result is 7. 
Result so far: 194895.236907
Subtract 2807 from 3100 to get 293.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2930, and continue the process.

Moving on to step 15:
When dividing 2930 by 401, we get 7 with a remainder of 123.
Record the quotient 7 as the next digit in the result. 
Result so far: 194895.2369077
Subtracting 2807 from 2930 leaves us with 123.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1230, and continue the process.

The final result is 194895.2369077 with a remainder of 1.23e-06.