For a batch of goods, 40% of the goods were transported on the first day and 35% on the second day. A total of 375 tons were transported in two days. How many tons of this batch of goods are there?
一批货物，第一天运走40%，第二天运走35%，两天共运走375吨，这批货物共几吨？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">(2/5) + (7/20)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">375 / (3/4)</gadget>
<output>500</output>

<result>500</result>