57998 ÷ 7 = 8285 R3
Alright, let's work through the division of 57998 by 7 step by step.

Step 1:
7 goes into 5 0 times with a remainder of 5.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 5 to get 5.
Bring next digit (7) of the dividend behind the 5 and repeat the process: 57 / 7

Step 2:
7 goes into 57 8 times with a remainder of 1.
Write down 8 as next digit of of the result. 
Result so far: 8
Subtract 56 from 57 to get 1.
Bring next digit (9) of the dividend behind the 1 and repeat the process: 19 / 7

Step 3:
7 goes into 19 2 times with a remainder of 5.
Write down 2 as next digit of of the result. 
Result so far: 82
Subtract 14 from 19 to get 5.
Bring next digit (9) of the dividend behind the 5 and repeat the process: 59 / 7

Step 4:
7 goes into 59 8 times with a remainder of 3.
Write down 8 as next digit of of the result. 
Result so far: 828
Subtract 56 from 59 to get 3.
Bring next digit (8) of the dividend behind the 3 and repeat the process: 38 / 7

Step 5:
7 goes into 38 5 times with a remainder of 3.
Write down 5 as next digit of of the result. 
Result so far: 8285
Subtract 35 from 38 to get 3.

The final result is 8285 with a remainder of 3.