On the clock face, at 6 o'clock, what is the angle between the minute hand and the hour hand?
在钟面上，6点钟的时侯，分针和时针所夹的角是多少度．
<gadget id="calculator">360 / 60</gadget>
<output>6</output>

<gadget id="calculator">6 * 30</gadget>
<output>180</output>

<result>180</result>