The swimming pool is 50 meters long and 21 meters wide. Mr. Wang swims 10 times a day, how many meters in total?
游泳池长50米，宽21米．王老师每天游10个来回，一共游多少米？
<gadget id="calculator">50 * 2 * 10</gadget>
<output>1_000</output>

<result>1_000</result>