A machine part, drawn on a drawing with a scale of 1:8, is 2.25 cm long. What is the actual length of this machine part in centimeters.
一种机器零件，用1：8的比例尺画在图纸上，长是2.25厘米．这种机器零件的实际长度是多少厘米．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">2.25 / (1/8)</gadget>
<output>18</output>

<result>18</result>