There are 20 cruise ships in Zhongshan Park, with a daily income of 7,200 yuan. According to this calculation, if we add 6 more boats like this, how much more can we earn per day?
中山公园有20条游船，每天收入7200元．照这样计算，再增加6条这样的船，每天可以多收入多少元？
<gadget id="calculator">7_200 / 20</gadget>
<output>360</output>

<gadget id="calculator">360 * 6</gadget>
<output>2_160</output>

<result>2_160</result>