batch of goods has been transported (2/7) tons, and the remaining (3/5) tons are more than transported. How many tons are there in this batch of goods?
一批货物，已运走了(2/7)吨，剩下的比运走的多(3/5)吨，这批货物一共有多少吨？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(2/7) + (3/5)</gadget>
<output>31/35 = around 0.885714</output>

<gadget id="calculator">(2/7) + (31/35)</gadget>
<output>41/35 = around 1.171429</output>

<result>41/35 = around 1.171429</result>