There were 480 people on board a tourist passenger ship, 234 people disembarked in Yichang, and another 183 people boarded. How many people are on board now?
一艘旅游客轮上原有480人，到宜昌有234人下船，又上了183人，现在船上有多少人？
<gadget id="calculator">480 - 234</gadget>
<output>246</output>

<gadget id="calculator">246 + 183</gadget>
<output>429</output>

<result>429</result>