Apples, pears, and oranges are three kinds of fruits. Apples and pears account for (3/4) of the total, and pears and oranges account for (3/5) of the total. The weight of pears is 35 kg. How much does the total weight of the three fruits weigh?
苹果，梨，橘子三种水果，苹果和梨共占总数的(3/4)，梨和橘子共占总数的(3/5)，梨重35千克，三种水果共重多少千克？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

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

<gadget id="calculator">(3/5) - 1</gadget>
<output>-2/5 = around -0.4</output>

<gadget id="calculator">(3/4) + (-2/5)</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">35 / (7/20)</gadget>
<output>100</output>

<result>100</result>