3 trucks transported a total of 540 boxes of apples. According to this calculation, how many boxes can be transported in total by adding 2 trucks?
3辆卡车共运540箱苹果．照这样计算，再增加2辆卡车，一共可以运多少箱？
<gadget id="calculator">540 / 3</gadget>
<output>180</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">180 * 5</gadget>
<output>900</output>

<result>900</result>