The fruit shop sold 38 kilograms of apples in the morning, 79 kilograms less than the watermelon sold. How many kilograms of watermelon are sold? (solution by equation)
水果店上午卖出苹果38千克，比卖出的西瓜少79千克．卖出西瓜多少千克？(用方程解)
<gadget id="calculator">38 + 79</gadget>
<output>117</output>

<result>117</result>