If 31 L 31 J 5 = 186 and 47 J 2 L 43 = 137, then 52 L 64 J 3 = ?

Explanation

Here L means + and J means ×. Check: 31 + 31 × 5 = 186 and 47 × 2 + 43 = 137. So 52 + 64 × 3 = 52 + 192 = 244.