On a drawing with a scale of 8:1, the length of a part is measured to be 64 mm. What is the actual length of the part in mm?
在比例尺是8：1的图纸上，量得一个零件长64毫米，这个零件实际长多少毫米．
<gadget id="calculator">8 / 1</gadget>
<output>8</output>

<gadget id="calculator">64 / 8</gadget>
<output>8</output>

<result>8</result>