What is the area of a piece of plastic film 600 cm long and 300 cm wide?
一块长600厘米、宽300厘米的塑料膜，面积是多少平方米．
<gadget id="calculator">300 / 10_000</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">600 * (3/100)</gadget>
<output>18</output>

<result>18</result>