In his senior year, Michael scored 260 × 1.20 = <<260*1.20=312>>312 points.

In both his senior and junior years Michael scored 260 + 312 = <<260+312=572>>572 points.

# Answer

572
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Michael scored 260 points during his junior year on the school basketball team. He scored 20% more points during his senior year. How many points did he score during both years?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
572
Michael scored 260 points during his junior year on the school basketball team. He scored 20% more points during his senior year. How many points did he score during both years?
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