The weight of apples shipped from the fruit shop is three times that of pears, and the weight of apples is 160 kg more than that of pears. How many kg of pears are shipped?
水果店运来苹果的重量是梨的3倍，苹果比梨多160千克，运来梨多少千克？
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">160 / 2</gadget>
<output>80</output>

<result>80</result>