We look at the division of 51338098 by 400 
We want to figure out the number of times 51338098 can be divided by 400.

Moving on to step 1:
When dividing 5 by 400, we get 0 with a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Fetch the next digit (1) from the dividend, attach it to 5 and continue: 51 / 400

Advancing to step 2:
400 goes into 51 0 times with a remainder of 51.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 51 leaves us with 51.
Include the next digit (3) from the dividend after 51, then repeat: 513 / 400

Let's proceed to step 3:
400 goes into 513 1 times with a remainder of 113.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 113 after subtracting 400 from 513.
Take the next digit (3) from the dividend and append it to 113, then repeat: 1133 / 400

Advancing to step 4:
1133 divided by 400 is 2 with a remainder of 333.
Put 2 as the next digit of the answer. 
Result so far: 12.0
Subtract 800 from 1133 to get 333.
Take the next digit (8) from the dividend and append it to 333, then repeat: 3338 / 400

Step 5:
The number 400 fits into 3338 8 times, leaving a remainder of 138.
Use 8 as the next digit of our solution. 
Result so far: 128.0
Subtracting 3200 from 3338 leaves us with 138.
Fetch the next digit (0) from the dividend, attach it to 138 and continue: 1380 / 400

Let's proceed to step 6:
1380 divided by 400 is 3 with a remainder of 180.
Record the quotient 3 as the next digit in the result. 
Result so far: 1283.0
The remainder is 180 after subtracting 1200 from 1380.
Take the next digit (9) from the dividend and append it to 180, then repeat: 1809 / 400

On to step 7:
400 can be fit into 1809 4 times, resulting in a remainder of 209.
Write down 4 as next digit of the result. 
Result so far: 12834.0
Subtract 1600 from 1809 to get 209.
Fetch the next digit (8) from the dividend, attach it to 209 and continue: 2098 / 400

On to step 8:
400 goes into 2098 5 times with a remainder of 98.
Write down 5 as next digit of the result. 
Result so far: 128345.0
The remainder is 98 after subtracting 2000 from 2098.
Since there are no more digits in the dividend, we add a zero to the remainder making it 980, and continue the process.

Advancing to step 9:
400 can be fit into 980 2 times, resulting in a remainder of 180.
The next digit of our result is 2. 
Result so far: 128345.2
If we take 800 away from 980, we end up with 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1800, and continue the process.

Going ahead to step 10:
400 goes into 1800 4 times with a remainder of 200.
Use 4 as the next digit of our solution. 
Result so far: 128345.24
If we take 1600 away from 1800, we end up with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Moving on to step 11:
If we divide 2000 by 400, we get 5 and a remainder of 0.
Record the quotient 5 as the next digit in the result. 
Result so far: 128345.245
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.

Going ahead to step 12:
400 goes into 0 0 times with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 128345.245
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 13:
The number 400 fits into 0 0 times, leaving a remainder of 0.
The next digit of our result is 0. 
Result so far: 128345.245
If we subtract 0 from 0, we get 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 128345.245, and the remainder is 0.0.