At 12:00 noon, the hour and minute hands on the clock face coincide completely. Then at 12 o'clock next time, how many times will the hour and minute hands coincide.
中午12点整时，钟面上时针与分针完全重合．那么到下次12时，时针与分针重合了多少次．
<gadget id="calculator">60 - 5</gadget>
<output>55</output>

<gadget id="calculator">60 / 55</gadget>
<output>12/11 = around 1.090909</output>

<gadget id="calculator">12 / (12/11)</gadget>
<output>11</output>

<result>11</result>