There were originally 305 people on the ship, 79 people disembarked, and 138 people boarded. How many people were there when the ship started again?
轮船原有305人，有79人下船，有138人上船，再开轮船时有多少人？
<gadget id="calculator">305 - 79</gadget>
<output>226</output>

<gadget id="calculator">226 + 138</gadget>
<output>364</output>

<result>364</result>