The department store sells 540 bicycles, and the remaining bicycles are three times as many. How many bicycles are there in the department store?
百货公司卖出自行车540辆，剩下的自行车是卖出的3倍，百货公司一共有自行车多少辆？
<gadget id="calculator">540 * 3</gadget>
<output>1_620</output>

<gadget id="calculator">1_620 + 540</gadget>
<output>2_160</output>

<result>2_160</result>