<|im_start|>system
You are a helpful assistant. You first thinks about the reasoning process in the mind and then provides the user with the answer.<|im_end|>
<|im_start|>user
Join the world of puzzles with the challenging Countdown Game. Your mission: To create equations using the numbers [8, 13, 19] that add up to the target number of 42. You can use the basic arithmetic operations (+, -, *, /) and each number can only be used once. Your success will be based on a step-by-step reasoning process (shown in <think> </think>, and once you figure it out, show your answer in <answer> </answer> tags, for example: <answer> (1 + 2) / 3 = 1 </answer>). Show your process and final result to prove your equation works!<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>