At 8:28, what is the angle (less than 180°) between the minute hand and the hour hand of the clock?
8点28分，时钟的分针与时针的夹角(小于180°)是多少度．
<gadget id="calculator">8 * 30</gadget>
<output>240</output>

<gadget id="calculator">6 - 0.5</gadget>
<output>5.5</output>

<gadget id="calculator">5.5 * 28</gadget>
<output>154</output>

<gadget id="calculator">240 - 154</gadget>
<output>86</output>

<result>86</result>