There are 238 kilograms of apples in the supermarket, 62 kilograms are sold in the morning, and 38 kilograms are sold in the afternoon. How many kilograms are left unsold?
超市里有238千克苹果，上午卖出62千克，下午又卖出38千克，还剩多少千克没有卖？
<gadget id="calculator">238 - 62 - 38</gadget>
<output>138</output>

<result>138</result>