84001861 ÷ 545 
Let's see how many times 545 fits into 84001861.

Moving on to step 1:
545 goes into 8 0 times with a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Bring next digit (4) of the dividend behind the 8 and repeat the process: 84 / 545

Let's proceed to step 2:
If we divide 84 by 545, we get 0 and a remainder of 84.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 84 after subtracting 0 from 84.
Grab the next digit (0) from the dividend, add it to 84, then carry on: 840 / 545

Advancing to step 3:
840 divided by 545 is 1 with a remainder of 295.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
The remainder is 295 after subtracting 545 from 840.
Append the next digit (0) from the dividend to 295 and continue with: 2950 / 545

Going ahead to step 4:
If we divide 2950 by 545, we get 5 and a remainder of 225.
The next digit of our result is 5. 
Result so far: 15.0
If we subtract 2725 from 2950, we get 225.
Grab the next digit (1) from the dividend, add it to 225, then carry on: 2251 / 545

On to step 5:
2251 divided by 545 is 4 with a remainder of 71.
The number 4 becomes the next digit in our result. 
Result so far: 154.0
If we subtract 2180 from 2251, we get 71.
Bring next digit (8) of the dividend behind the 71 and repeat the process: 718 / 545

Going ahead to step 6:
If we divide 718 by 545, we get 1 and a remainder of 173.
Write down 1 as next digit of the result. 
Result so far: 1541.0
Subtract 545 from 718 to get 173.
Include the next digit (6) from the dividend after 173, then repeat: 1736 / 545

Step 7:
The number 545 fits into 1736 3 times, leaving a remainder of 101.
The next digit of our result is 3. 
Result so far: 15413.0
If we take 1635 away from 1736, we end up with 101.
Bring next digit (1) of the dividend behind the 101 and repeat the process: 1011 / 545

Advancing to step 8:
If we divide 1011 by 545, we get 1 and a remainder of 466.
Record the quotient 1 as the next digit in the result. 
Result so far: 154131.0
Deduct 545 from 1011 and we're left with 466.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4660, and continue the process.

Step 9:
The number 545 fits into 4660 8 times, leaving a remainder of 300.
Write down 8 as next digit of the result. 
Result so far: 154131.8
Subtracting 4360 from 4660 leaves us with 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3000, and continue the process.

Advancing to step 10:
The number 545 fits into 3000 5 times, leaving a remainder of 275.
The number 5 becomes the next digit in our result. 
Result so far: 154131.85
Subtracting 2725 from 3000 leaves us with 275.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2750, and continue the process.

Step 11:
If we divide 2750 by 545, we get 5 and a remainder of 25.
Use 5 as the next digit of our solution. 
Result so far: 154131.855
If we take 2725 away from 2750, we end up with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

The final outcome is 154131.855, with a leftover of 0.0025.