What is the smaller angle formed by the hour and minute hands of a clock at 8 o'clock?
钟表在8时整时，时针和分针所形成的较小角是多少度．
<gadget id="calculator">360 / 60</gadget>
<output>6</output>

<gadget id="calculator">6 * 20</gadget>
<output>120</output>

<result>120</result>