On the clock face, the minute hand rotates 360 degrees, the corresponding number of degrees the hour hand rotates.
钟面上，分针转动360度，相应地时针转动多少度．
<gadget id="calculator">360 / 60</gadget>
<output>6</output>

<gadget id="calculator">6 * 5</gadget>
<output>30</output>

<result>30</result>