A cargo ship carries 3200 tons of goods, unloads 1850 tons at the port, and loads 1000 tons of other goods. How many tons of cargo are on board now?
一艘货船载有3200吨货物，在港口卸下1850吨，又装上1000吨其他货物．船上现在有多少吨货物？
<gadget id="calculator">3_200 - 1_850</gadget>
<output>1_350</output>

<gadget id="calculator">1_350 + 1_000</gadget>
<output>2_350</output>

<result>2_350</result>