There are 14 containers, each weighing 2 tons, to be transported away by a large truck with a load capacity of 4 tons, at least how many large trucks are needed?
有14个集装箱，每个重2吨，要用载重量是4吨的大卡车一次运走，至少需要多少辆大卡车？
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">14 * (1/2)</gadget>
<output>7</output>

<result>7</result>