A set of desks and chairs can seat 2 people. The school has newly shipped 250 sets of desks and chairs. How many people can it seat in total?
一套课桌椅能坐2人，学校新运来250套课桌椅，一共可以坐多少人？
<gadget id="calculator">250 * 2</gadget>
<output>500</output>

<result>500</result>