On a drawing with a scale of 8:1, the length of a precision part is measured to be 12 cm. What is the actual length of this part in cm?
在一张比例尺是8：1的图纸上，量得一个精密零件的长是12厘米，这个零件的实际长是多少厘米？
<gadget id="calculator">8 / 1</gadget>
<output>8</output>

<gadget id="calculator">12 / 8</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>