From 3:00 to 3:15, how many degrees did the minute hand turn?
从3：00走到3：15，分针转动了多少度．
<gadget id="calculator">360 / 12</gadget>
<output>30</output>

<gadget id="calculator">15 / 5</gadget>
<output>3</output>

<gadget id="calculator">30 * 3</gadget>
<output>90</output>

<result>90</result>