There is a batch of cargo at the station, and (2/5) of the total was transported in the morning, and (3/8) of the total in the afternoon, leaving 27 tons undelivered. How many tons is this shipment in total?
车站有一批货物，上午运走了总数的(2/5)，下午运走了总数的(3/8)，还剩下27吨没有运．这批货物一共有多少吨？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (2/5) - (3/8)</gadget>
<output>9/40 = around 0.225</output>

<gadget id="calculator">27 / (9/40)</gadget>
<output>120</output>

<result>120</result>