Binhe Park used to have 20 boats, with a daily income of 360 yuan. According to this calculation, now there are 15 more boats, how much more can the daily income be?
滨河公园原来有20条船，每天收入360元，照这样计算，现在增加了15条船，每天可以多收入多少元？
<gadget id="calculator">360 / 20</gadget>
<output>18</output>

<gadget id="calculator">18 * 15</gadget>
<output>270</output>

<result>270</result>