On a drawing with a scale of 2000:1, the bacteria drawn are 10 cm long, what is the actual length of the bacteria in cm?
一幅比例尺是2000：1的图纸上，画出的细菌长10厘米，细菌的实际长多少厘米．
<gadget id="calculator">2_000 / 1</gadget>
<output>2_000</output>

<gadget id="calculator">10 / 2_000</gadget>
<output>1/200 = around 0.005</output>

<result>1/200 = around 0.005</result>