The store shipped 12 baskets of apples, each weighing 24.5 kg. The quality of the shipped pears is 80 kg less than twice that of apples. How many kilograms are the pears delivered?
商店运来12筐苹果，每筐24.5千克．运来的梨的质量比苹果的2倍少80千克．运来的梨有多少千克？
<gadget id="calculator">12 * 24.5 * 2</gadget>
<output>588</output>

<gadget id="calculator">588 - 80</gadget>
<output>508</output>

<result>508</result>