How many minutes did the minute hand go from 1 to 7 on the clock face?
钟面上分针从1走到7，走了多少分钟
<gadget id="calculator">7 - 1</gadget>
<output>6</output>

<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<result>30</result>