A plastic bag is 30 cm long and 16 cm wide. How many square centimeters of plastic film should be used to make 10 such plastic bags?
一种塑料袋长30厘米，宽16厘米，做10个这样的塑料袋至少要用塑料薄膜多少平方厘米．
<gadget id="calculator">30 * 16 * 2 * 10</gadget>
<output>9_600</output>

<result>9_600</result>