At 11 o'clock, the minute hand is 45 degrees ahead of the hour hand.
11点多少分时，分针超过时针45度．
<gadget id="calculator">45 - 30</gadget>
<output>15</output>

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

<gadget id="calculator">15 / 5.5</gadget>
<output>2.727273</output>

<result>2.727273</result>