The swimming pool is 50 meters long. Xiaoqiang swims back and forth 5 times each time. How many meters does he swim each time?
游泳池长50米，小强每次都游5个来回，他每次游多少米？
<gadget id="calculator">50 * 2 * 5</gadget>
<output>500</output>

<result>500</result>