How many kilograms are apples and pears? Apples weigh 80 kilograms, which is 5 kilograms more than three times that of pears. How many kilograms are pears?
苹果与梨子若干千克，苹果有80千克，比梨子的3倍多5千克，梨子多少千克？
<gadget id="calculator">80 - 5</gadget>
<output>75</output>

<gadget id="calculator">75 / 3</gadget>
<output>25</output>

<result>25</result>