What is the angle between the hour and minute hands on the dial at 7:20?
在7点20分这个时刻，钟表盘上面时针和分针的夹角是多少度．
<gadget id="calculator">360 / 12</gadget>
<output>30</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">30 * (1/3)</gadget>
<output>10</output>

<gadget id="calculator">30 * 3</gadget>
<output>90</output>

<gadget id="calculator">10 + 90</gadget>
<output>100</output>

<result>100</result>