From 12:40 to 13:10, what is the angle by which the minute hand of the clock rotates?
从12：40到13：10，钟表的分针转动的角度为多少．
<gadget id="calculator">360 / 60</gadget>
<output>6</output>

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

<result>180</result>