The fruit shop shipped 120 kilograms of apples, and after selling 30 kilograms, (3/5) of the remaining apples was exactly the weight of pears. How many kilograms are pears?
水果店运来苹果120千克，卖出30千克后，剩下的苹果的(3/5)刚好是梨的重量．梨有多少千克？
<gadget id="calculator">120 - 30</gadget>
<output>90</output>

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

<gadget id="calculator">90 * (3/5)</gadget>
<output>54</output>

<result>54</result>