There are 280 flower goldfish in the aquarium in the park, and the number of red goldfish is three times that of flower goldfish. How many goldfish are there in total in the aquarium?
公园的养鱼池里有花金鱼280条，红金鱼的条数是花金鱼的3倍．养鱼池中一共有多少条金鱼？
<gadget id="calculator">280 * 3</gadget>
<output>840</output>

<gadget id="calculator">840 + 280</gadget>
<output>1_120</output>

<result>1_120</result>