A swimmer swam 800 meters in one training session on a certain day. The swimming lanes in this swimming pool are 25 meters long. How many rounds did he swim in this training session?
一名游泳运动员某一天训练一次就游了800米，这个游泳馆泳道全长25米，这次训练共游了几个来回？
<gadget id="calculator">25 * 2</gadget>
<output>50</output>

<gadget id="calculator">800 / 50</gadget>
<output>16</output>

<result>16</result>