At 2:25 p.m., what is the angle between the hour and minute hands?
下午2点25分时，时针和分针的夹角是多少度．
<gadget id="calculator">3 * 30</gadget>
<output>90</output>

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

<gadget id="calculator">90 - 12.5</gadget>
<output>77.5</output>

<result>77.5</result>