At 6:25 on the clock face, what is the angle between the hour and minute hands?
钟面上6点25分时，时针与分针的夹角是多少度．
<gadget id="calculator">1 * 30</gadget>
<output>30</output>

<gadget id="calculator">0.5 * 25</gadget>
<output>12.5</output>

<gadget id="calculator">30 + 12.5</gadget>
<output>42.5</output>

<result>42.5</result>