Using the numbers [11, 19, 14, 20], create an equation that equals 50. You can utilize basic arithmetic operations (+, -, *, /) with each number only allowed once in the equation. Detail your steps as <think> </think> and share the final solution in <answer> </answer>. This will help you progress by systematically working out each problem and verifying the correct solution. Let me know if you need more customization. </answer>