A part is 5mm long, draw it in a ratio of 10:1, how many centimeters should be drawn on the drawing.
一种零件长5毫米，把它画成比例此是10：1的图纸上应画多少厘米．
<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>