180000 - 39542 - (516922 + 29834) ÷ 84

First, solve the expression inside the parenthesis:

516922 + 29834 = 546756

Then, subtract the sum from the first two numbers:

180000 - 39542 - 546756 ÷ 84

Divide 546756 by 84:

180000 - 39542 - 6516

Subtract the numbers:

180000 - 39542 - 6516 = 134942

Therefore, the answer is 134942.