The weight of pears sold in the fruit shop is 3/5 that of apples, and pears are sold 30 kg less than apples. How many kilograms of pears are sold?
水果店里卖出的梨子的重量是苹果的(3/5)，梨子比苹果少卖30千克．梨子卖了多少千克？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

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

<gadget id="calculator">30 / (2/5)</gadget>
<output>75</output>

<gadget id="calculator">75 - 30</gadget>
<output>45</output>

<result>45</result>