A truck transports (7/2) tons of goods each time, and (1/3) of a batch of goods is transported 4 times. How many tons is this shipment in total?
一辆卡车每次运货(7/2)吨，4次运了一批货物的(1/3)．这批货物一共有多少吨？
<gadget id="calculator">7 / 2</gadget>
<output>7/2 = around 3.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">4 / (1/3)</gadget>
<output>12</output>

<gadget id="calculator">(7/2) * 12</gadget>
<output>42</output>

<result>42</result>