The fruit shop shipped 50 boxes of apples, each weighing 15 kilograms, and the pears shipped were 10 kilograms less than twice the amount of apples. How many kilograms of pears were shipped?
水果店运来苹果50箱，每箱15千克，运来的梨比苹果的2倍还少10千克，运来梨多少千克？
<gadget id="calculator">15 * 50 * 2</gadget>
<output>1_500</output>

<gadget id="calculator">1_500 - 10</gadget>
<output>1_490</output>

<result>1_490</result>