Lele departed from home to school at 7:15, and arrived at school at 7:50, so how many degrees did the minute hand move during this time?
乐乐7：15从家出发到学校，到学校的时间是7：50，那么这段时间分针走了多少度．
<gadget id="calculator">10 - 3</gadget>
<output>7</output>

<gadget id="calculator">360 / 12</gadget>
<output>30</output>

<gadget id="calculator">7 * 30</gadget>
<output>210</output>

<result>210</result>