kilogram of peaches is 12 yuan, 1 kilogram of pears is 3 yuan, how many kilograms of pears can be bought for the price of 1 kilogram of peaches.
1千克桃子12元，1千克梨3元，买1千克桃子的钱可以买多少千克梨．
<gadget id="calculator">12 / 3</gadget>
<output>4</output>

<result>4</result>