30345421 ÷ 388 
We're looking to find how many times 388 goes into 30345421.

Let's proceed to step 1:
388 goes into 3 0 times with a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Take the next digit (0) from the dividend and append it to 3, then repeat: 30 / 388

Going ahead to step 2:
388 can be fit into 30 0 times, resulting in a remainder of 30.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 30, we get 30.
Include the next digit (3) from the dividend after 30, then repeat: 303 / 388

Advancing to step 3:
388 can be fit into 303 0 times, resulting in a remainder of 303.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 303 to get 303.
Fetch the next digit (4) from the dividend, attach it to 303 and continue: 3034 / 388

Let's proceed to step 4:
3034 divided by 388 is 7 with a remainder of 318.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
If we take 2716 away from 3034, we end up with 318.
Fetch the next digit (5) from the dividend, attach it to 318 and continue: 3185 / 388

Advancing to step 5:
The number 388 fits into 3185 8 times, leaving a remainder of 81.
Use 8 as the next digit of our solution. 
Result so far: 78.0
Subtract 3104 from 3185 to get 81.
Bring next digit (4) of the dividend behind the 81 and repeat the process: 814 / 388

Going ahead to step 6:
388 can be fit into 814 2 times, resulting in a remainder of 38.
Record the quotient 2 as the next digit in the result. 
Result so far: 782.0
If we take 776 away from 814, we end up with 38.
Grab the next digit (2) from the dividend, add it to 38, then carry on: 382 / 388

On to step 7:
If we divide 382 by 388, we get 0 and a remainder of 382.
Use 0 as the next digit of our solution. 
Result so far: 7820.0
If we subtract 0 from 382, we get 382.
Grab the next digit (1) from the dividend, add it to 382, then carry on: 3821 / 388

Step 8:
388 goes into 3821 9 times with a remainder of 329.
Record the quotient 9 as the next digit in the result. 
Result so far: 78209.0
Subtract 3492 from 3821 to get 329.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3290, and continue the process.

Going ahead to step 9:
When dividing 3290 by 388, we get 8 with a remainder of 186.
The next digit of our result is 8. 
Result so far: 78209.8
The remainder is 186 after subtracting 3104 from 3290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1860, and continue the process.

Step 10:
The number 388 fits into 1860 4 times, leaving a remainder of 308.
Put 4 as the next digit of the answer. 
Result so far: 78209.84
Subtract 1552 from 1860 to get 308.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3080, and continue the process.

Advancing to step 11:
388 can be fit into 3080 7 times, resulting in a remainder of 364.
Put 7 as the next digit of the answer. 
Result so far: 78209.847
The remainder is 364 after subtracting 2716 from 3080.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3640, and continue the process.

Advancing to step 12:
388 goes into 3640 9 times with a remainder of 148.
The number 9 becomes the next digit in our result. 
Result so far: 78209.8479
If we subtract 3492 from 3640, we get 148.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1480, and continue the process.

Advancing to step 13:
388 can be fit into 1480 3 times, resulting in a remainder of 316.
The next digit of our result is 3. 
Result so far: 78209.84793
If we subtract 1164 from 1480, we get 316.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3160, and continue the process.

Let's proceed to step 14:
The number 388 fits into 3160 8 times, leaving a remainder of 56.
The number 8 becomes the next digit in our result. 
Result so far: 78209.847938
If we subtract 3104 from 3160, we get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

Let's proceed to step 15:
If we divide 560 by 388, we get 1 and a remainder of 172.
Write down 1 as next digit of the result. 
Result so far: 78209.8479381
The remainder is 172 after subtracting 388 from 560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1720, and continue the process.

Step 16:
1720 divided by 388 is 4 with a remainder of 168.
Record the quotient 4 as the next digit in the result. 
Result so far: 78209.84793814
Subtracting 1552 from 1720 leaves us with 168.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1680, and continue the process.

The final result is 78209.84793814 with a remainder of 1.68e-07.