<|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
In this challenge, your goal is to reach the target number 150 using the four given numbers: [30, 45, 25, 60]. Using basic arithmetic operations (+, -, *, /) each number can be used only once. To help you understand, the target number and numbers are shown above. Show your work in <think> </think> tags. Provide the final equation and your solution in <answer> </answer> tags, for example <answer> (1 + 2) / 3 = 1 </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>