If '+' means '×', '×' means '÷', '÷' means '-', and '-' means '+', what will come in place of the question mark (?) in the following equation? 13 - 17 + 24 ÷ 54 × 18 + 28 × 14 = ?

Explanation

To solve the equation, we need to replace each operator with its assigned meaning: '+' means '×' '×' means '÷' '÷' means '-' '-' means '+' Step 1: Substitute the Operators The original equation is: 13 - 17 + 24 ÷ 54 × 18 + 28 × 14 = ? After substitution, the equation becomes: 13 + 17 × 24 - 54 ÷ 18 × 28 ÷ 14 = 13+ 17 × 24 - 3 × 2 = 13 + 408 - 6 = 415