<|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
Using the numbers [23, 43, 67, 89], craft an equation that equals 98. Employ basic arithmetic operations (+, -, *, /) and ensure each number is utilized exactly once. Detail your thought process in <think> </think> tags and present your solution in the <answer> format, for instance <answer> number1 * number2 + number3 * number4 = target </answer>.<|im_end|>
<|im_start|>assistant
Let me solve this step by step.
<think>