How many minutes did it take for the minute hand to move from the number 7 to the number 12?
分针从数字7走到数字12，经过了多少分钟．
<gadget id="calculator">12 - 7</gadget>
<output>5</output>

<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<result>25</result>