In a particular right triangle, the two legs have lengths of 40 inches and 42 inches. What is the area of the triangle?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
In a particular right triangle, the two legs have lengths of 40 inches and 42 inches. What is the area of the triangle?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
840\text{ square inches}
In a particular right triangle, the two legs have lengths of 40 inches and 42 inches. What is the area of the triangle?
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