What is the angle between the hour and minute hands at 10:15?
10点15分时，时针和分针的夹角是多少．
<gadget id="calculator">90 - 7.5</gadget>
<output>82.5</output>

<gadget id="calculator">82.5 + 60</gadget>
<output>142.5</output>

<result>142.5</result>