There are 293 tourists in Ocean Park in the morning, 127 people leave at noon, and 156 people come in the afternoon. How many tourists are there in Ocean Park at this time?
海洋公园上午有游客293人，中午有127人离开，下午又来了156人，这时海洋公园里有多少名游客？
<gadget id="calculator">293 - 127</gadget>
<output>166</output>

<gadget id="calculator">166 + 156</gadget>
<output>322</output>

<result>322</result>