The fruit shop ships 500 kilograms of fruit, sells 175 kilograms in the morning and 168 kilograms in the afternoon, how many kilograms are left?
水果店运来500千克水果，上午卖出175千克，下午卖168千克，还剩多少千克？
<gadget id="calculator">175 + 168</gadget>
<output>343</output>

<gadget id="calculator">500 - 343</gadget>
<output>157</output>

<result>157</result>