There are 125 people in an art interest group in a primary school, which is 75 people twice as many as the sports group. How many people are there in the sports group?
某小学美术兴趣小组有125人，比体育小组的2倍少75人，体育小组有多少人？
<gadget id="calculator">125 + 75</gadget>
<output>200</output>

<gadget id="calculator">200 / 2</gadget>
<output>100</output>

<result>100</result>