The store shipped 139 kg of apples. The imported pears are 51 kg less than three times that of apples. How many kilograms of pears are shipped in?
商店运进苹果139千克．运进的鸭梨比苹果的3倍少51千克．运进鸭梨多少千克？
<gadget id="calculator">139 * 3</gadget>
<output>417</output>

<gadget id="calculator">417 - 51</gadget>
<output>366</output>

<result>366</result>