There used to be 15 bumper cars in Nanhu Park, and the daily income was 450 yuan. According to this calculation, now there are 10 more bumper cars, how much is the total daily income?
南湖公园原来有15辆碰碰车，每天收入450元，照这样计算，现在增加10辆，每天一共收入多少元"
<gadget id="calculator">450 / 15</gadget>
<output>30</output>

<gadget id="calculator">15 + 10</gadget>
<output>25</output>

<gadget id="calculator">30 * 25</gadget>
<output>750</output>

<result>750</result>