345 people came to the playground in the morning, 212 people left at noon, and another 160 people came. How many people are there in the playground?
游乐场上午来了345人，中午有212人离开，又有160人来到，这是游乐场里有多少人？
<gadget id="calculator">345 - 212</gadget>
<output>133</output>

<gadget id="calculator">133 + 160</gadget>
<output>293</output>

<result>293</result>