The non-staple food store shipped 507 kilograms of eggs, sold 128 kilograms in the morning and 224 kilograms in the afternoon, how many kilograms of eggs are left?
副食店运来507千克鸡蛋，上午卖出128千克，下午卖出224千克，还剩下多少千克鸡蛋．
<gadget id="calculator">128 + 224</gadget>
<output>352</output>

<gadget id="calculator">507 - 352</gadget>
<output>155</output>

<result>155</result>