A part with a length of 8 mm is drawn on a drawing with a scale of 10:1. What is the length in mm?
长8毫米的一个零件，画在比例尺是10：1的图纸上长多少毫米．
<gadget id="calculator">10 / 1</gadget>
<output>10</output>

<gadget id="calculator">8 * 10</gadget>
<output>80</output>

<result>80</result>