We look at the division of 78012521 by 67 
We're looking to find how many times 67 goes into 78012521.

Moving on to step 1:
If we divide 7 by 67, we get 0 and a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 7 after subtracting 0 from 7.
Fetch the next digit (8) from the dividend, attach it to 7 and continue: 78 / 67

Advancing to step 2:
The number 67 fits into 78 1 times, leaving a remainder of 11.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 11 after subtracting 67 from 78.
Append the next digit (0) from the dividend to 11 and continue with: 110 / 67

Moving on to step 3:
The number 67 fits into 110 1 times, leaving a remainder of 43.
Use 1 as the next digit of our solution. 
Result so far: 11.0
Subtracting 67 from 110 leaves us with 43.
Grab the next digit (1) from the dividend, add it to 43, then carry on: 431 / 67

Moving on to step 4:
When dividing 431 by 67, we get 6 with a remainder of 29.
Put 6 as the next digit of the answer. 
Result so far: 116.0
Subtract 402 from 431 to get 29.
Append the next digit (2) from the dividend to 29 and continue with: 292 / 67

Step 5:
292 divided by 67 is 4 with a remainder of 24.
Put 4 as the next digit of the answer. 
Result so far: 1164.0
The remainder is 24 after subtracting 268 from 292.
Fetch the next digit (5) from the dividend, attach it to 24 and continue: 245 / 67

Going ahead to step 6:
67 goes into 245 3 times with a remainder of 44.
Write down 3 as next digit of the result. 
Result so far: 11643.0
Subtracting 201 from 245 leaves us with 44.
Fetch the next digit (2) from the dividend, attach it to 44 and continue: 442 / 67

Advancing to step 7:
442 divided by 67 is 6 with a remainder of 40.
The next digit of our result is 6. 
Result so far: 116436.0
If we subtract 402 from 442, we get 40.
Fetch the next digit (1) from the dividend, attach it to 40 and continue: 401 / 67

Moving on to step 8:
67 can be fit into 401 5 times, resulting in a remainder of 66.
The next digit of our result is 5. 
Result so far: 1164365.0
Deduct 335 from 401 and we're left with 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Going ahead to step 9:
If we divide 660 by 67, we get 9 and a remainder of 57.
Write down 9 as next digit of the result. 
Result so far: 1164365.9
The remainder is 57 after subtracting 603 from 660.
Since there are no more digits in the dividend, we add a zero to the remainder making it 570, and continue the process.

Moving on to step 10:
When dividing 570 by 67, we get 8 with a remainder of 34.
The next digit of our result is 8. 
Result so far: 1164365.98
If we take 536 away from 570, we end up with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Going ahead to step 11:
If we divide 340 by 67, we get 5 and a remainder of 5.
Record the quotient 5 as the next digit in the result. 
Result so far: 1164365.985
If we subtract 335 from 340, we get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Let's proceed to step 12:
When dividing 50 by 67, we get 0 with a remainder of 50.
Record the quotient 0 as the next digit in the result. 
Result so far: 1164365.985
If we take 0 away from 50, we end up with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 13:
500 divided by 67 is 7 with a remainder of 31.
The next digit of our result is 7. 
Result so far: 1164365.98507
Subtract 469 from 500 to get 31.
Since there are no more digits in the dividend, we add a zero to the remainder making it 310, and continue the process.

Advancing to step 14:
310 divided by 67 is 4 with a remainder of 42.
Use 4 as the next digit of our solution. 
Result so far: 1164365.985074
Subtracting 268 from 310 leaves us with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Step 15:
67 can be fit into 420 6 times, resulting in a remainder of 18.
The next digit of our result is 6. 
Result so far: 1164365.9850746
The remainder is 18 after subtracting 402 from 420.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Advancing to step 16:
67 can be fit into 180 2 times, resulting in a remainder of 46.
The next digit of our result is 2. 
Result so far: 1164365.98507462
The remainder is 46 after subtracting 134 from 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

The final outcome is 1164365.98507462, with a leftover of 4.6e-08.