The chicken farm collects 85 kg of eggs in the morning, sells 42 kg, and collects 26 kg of eggs in the afternoon. How many kilograms of eggs are there now?
养鸡场上午收鸡蛋85千克，卖出42千克，下午收鸡蛋26千克．现在共有鸡蛋多少千克．
<gadget id="calculator">26 - 42</gadget>
<output>-16</output>

<gadget id="calculator">85 + (-16)</gadget>
<output>69</output>

<result>69</result>