121441 ÷ 78 
Our goal is to divide 121441 by 78.

Step 1:
78 goes into 1 0 times with a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Append the next digit (2) from the dividend to 1 and continue with: 12 / 78

Going ahead to step 2:
78 goes into 12 0 times with a remainder of 12.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 12 after subtracting 0 from 12.
Bring next digit (1) of the dividend behind the 12 and repeat the process: 121 / 78

Moving on to step 3:
If we divide 121 by 78, we get 1 and a remainder of 43.
The next digit of our result is 1. 
Result so far: 1.0
The remainder is 43 after subtracting 78 from 121.
Append the next digit (4) from the dividend to 43 and continue with: 434 / 78

Moving on to step 4:
The number 78 fits into 434 5 times, leaving a remainder of 44.
Put 5 as the next digit of the answer. 
Result so far: 15.0
If we take 390 away from 434, we end up with 44.
Take the next digit (4) from the dividend and append it to 44, then repeat: 444 / 78

Moving on to step 5:
444 divided by 78 is 5 with a remainder of 54.
Write down 5 as next digit of the result. 
Result so far: 155.0
If we take 390 away from 444, we end up with 54.
Bring next digit (1) of the dividend behind the 54 and repeat the process: 541 / 78

Advancing to step 6:
When dividing 541 by 78, we get 6 with a remainder of 73.
The number 6 becomes the next digit in our result. 
Result so far: 1556.0
The remainder is 73 after subtracting 468 from 541.
Since there are no more digits in the dividend, we add a zero to the remainder making it 730, and continue the process.

Let's proceed to step 7:
When dividing 730 by 78, we get 9 with a remainder of 28.
The next digit of our result is 9. 
Result so far: 1556.9
Subtract 702 from 730 to get 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Going ahead to step 8:
78 goes into 280 3 times with a remainder of 46.
Put 3 as the next digit of the answer. 
Result so far: 1556.93
Subtract 234 from 280 to get 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Step 9:
If we divide 460 by 78, we get 5 and a remainder of 70.
The next digit of our result is 5. 
Result so far: 1556.935
Subtract 390 from 460 to get 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Let's proceed to step 10:
When dividing 700 by 78, we get 8 with a remainder of 76.
Write down 8 as next digit of the result. 
Result so far: 1556.9358
If we take 624 away from 700, we end up with 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

Going ahead to step 11:
760 divided by 78 is 9 with a remainder of 58.
Use 9 as the next digit of our solution. 
Result so far: 1556.93589
Subtracting 702 from 760 leaves us with 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Going ahead to step 12:
When dividing 580 by 78, we get 7 with a remainder of 34.
Write down 7 as next digit of the result. 
Result so far: 1556.935897
If we subtract 546 from 580, we get 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Advancing to step 13:
78 goes into 340 4 times with a remainder of 28.
The next digit of our result is 4. 
Result so far: 1556.9358974
Subtract 312 from 340 to get 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Step 14:
When dividing 280 by 78, we get 3 with a remainder of 46.
The next digit of our result is 3. 
Result so far: 1556.93589743
Subtracting 234 from 280 leaves us with 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

The quotient of the division is 1556.93589743, and the remainder is 4.6e-08.