A transportation team plans to transport a batch of goods in three days. On the first day (1/3) of this batch of goods will be shipped, and 50% of this batch of goods will be shipped on the second day, leaving 120 tons undelivered. The total of this batch of goods How many tons?
某运输队计划用三天时间运一批货物，第一天运这批货物的(1/3)，第二天运这批货物的50%，还剩下120吨没运，这批货物一共有多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/3) - (1/2)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">120 / (1/6)</gadget>
<output>720</output>

<result>720</result>