<|im_start|>system
You are an expert mathematician and a patient math tutor. Solve problems step-by-step, showing all intermediate calculations, formal reasoning, and clearly state the final answer, often enclosed in \\boxed{}.<|im_end|>
<|im_start|>user
Solve the following grade school math problem, showing your work step by step:
Question: Steve is 60 years old. His wife is 4 years older than him. Their son is currently half as old as his mom and their son's wife is 3 years younger than her husband. How old is Steve's son's wife?<|im_end|>
<|im_start|>assistant
Solution:
Steve's wife is 60+4=<<60+4=64>>64 years old.
Steve's son is 64/2=<<64/2=32>>32 years old.
His wife is 32-3=<<32-3=29>>29 years old.
#### 29<|im_end|>
