A park originally had 20 cruise ships, with a daily income of 1,440 yuan. According to this calculation, adding 6 more cruise ships of the same type can earn more (how much) yuan per day.
一个公园原有20条游船，每天收入1440元．照这样计算，再增加6条同样的游船，每天可以多收入(多少)元．
<gadget id="calculator">1_440 / 20</gadget>
<output>72</output>

<gadget id="calculator">72 * 6</gadget>
<output>432</output>

<result>432</result>