7781930 divided by 400 
We want to divide 7781930 by 400.

Advancing to step 1:
The number 400 fits into 7 0 times, leaving a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Grab the next digit (7) from the dividend, add it to 7, then carry on: 77 / 400

Moving on to step 2:
400 can be fit into 77 0 times, resulting in a remainder of 77.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 77, we end up with 77.
Take the next digit (8) from the dividend and append it to 77, then repeat: 778 / 400

Advancing to step 3:
If we divide 778 by 400, we get 1 and a remainder of 378.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
If we take 400 away from 778, we end up with 378.
Bring next digit (1) of the dividend behind the 378 and repeat the process: 3781 / 400

Moving on to step 4:
The number 400 fits into 3781 9 times, leaving a remainder of 181.
Write down 9 as next digit of the result. 
Result so far: 19.0
Subtracting 3600 from 3781 leaves us with 181.
Fetch the next digit (9) from the dividend, attach it to 181 and continue: 1819 / 400

Going ahead to step 5:
When dividing 1819 by 400, we get 4 with a remainder of 219.
Write down 4 as next digit of the result. 
Result so far: 194.0
The remainder is 219 after subtracting 1600 from 1819.
Include the next digit (3) from the dividend after 219, then repeat: 2193 / 400

Going ahead to step 6:
400 can be fit into 2193 5 times, resulting in a remainder of 193.
The next digit of our result is 5. 
Result so far: 1945.0
If we take 2000 away from 2193, we end up with 193.
Grab the next digit (0) from the dividend, add it to 193, then carry on: 1930 / 400

Step 7:
400 goes into 1930 4 times with a remainder of 330.
Write down 4 as next digit of the result. 
Result so far: 19454.0
Subtract 1600 from 1930 to get 330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3300, and continue the process.

Moving on to step 8:
400 goes into 3300 8 times with a remainder of 100.
Put 8 as the next digit of the answer. 
Result so far: 19454.8
If we take 3200 away from 3300, we end up with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Let's proceed to step 9:
1000 divided by 400 is 2 with a remainder of 200.
Write down 2 as next digit of the result. 
Result so far: 19454.82
Subtract 800 from 1000 to get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Let's proceed to step 10:
If we divide 2000 by 400, we get 5 and a remainder of 0.
The number 5 becomes the next digit in our result. 
Result so far: 19454.825
The remainder is 0 after subtracting 2000 from 2000.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 11:
If we divide 0 by 400, we get 0 and a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 19454.825
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 12:
When dividing 0 by 400, we get 0 with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 19454.825
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The quotient of the division is 19454.825, and the remainder is 0.0.