The fruit supermarket shipped 2,500 kilograms of apples, 250 kilograms less than twice the amount of pears. 400 kg more than three times the peaches shipped. How many kilograms of peaches does this supermarket ship?
水果超市运来苹果2500千克，比运来的梨的2倍少250千克．比运来的桃子的3倍多400千克．这个超市运来桃子多少千克？
<gadget id="calculator">2_500 - 400</gadget>
<output>2_100</output>

<gadget id="calculator">2_100 / 3</gadget>
<output>700</output>

<result>700</result>