The length of a watch part is 5 mm, how many centimeters should it be drawn on a drawing with a scale of 10:1?
一种钟表零件长是5毫米，把它画在比例尺是10：1的图纸上长应画多少厘米．
<gadget id="calculator">10 / 1</gadget>
<output>10</output>

<gadget id="calculator">10 / 10</gadget>
<output>1</output>

<gadget id="calculator">5 * 1</gadget>
<output>5</output>

<result>5</result>