3 trucks transport 60 tons of goods in 4 times. According to this calculation, the number of times of delivery increases to 9 times, and the number of vehicles doubles. How many tons of goods are transported in total?
3辆卡车4次运货60吨，照这样计算，运货次数增加到9次，车辆增加到2倍，共运货多少吨？
<gadget id="calculator">60 / 3 / 4</gadget>
<output>5</output>

<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">5 * 6 * 9</gadget>
<output>270</output>

<result>270</result>