There is a batch of goods at the station. On the first day (2/3) all the goods were transported away 28 tons less, and on the second day (3/4) the goods were less than 52 tons, just finished. How many tons is this shipment in total?
车站有一批货物，第一天运走全部货物的(2/3)少28吨，第二天运走这批货物的(3/4)少52吨，正好运完．这批货物一共有多少吨？
<gadget id="calculator">28 + 52</gadget>
<output>80</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) - 1</gadget>
<output>-1/4 = around -0.25</output>

<gadget id="calculator">(2/3) + (-1/4)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">80 / (5/12)</gadget>
<output>192</output>

<result>192</result>