Golden Dragon Shipping Company has 26 ships and earns 780 yuan a day. According to this calculation, how much is the total daily income of 30 ships?
金龙航运公司有26条船，每天收入780元，照这样计算，现在30条船，每天一共收入多少元？
<gadget id="calculator">780 / 26</gadget>
<output>30</output>

<gadget id="calculator">30 * 30</gadget>
<output>900</output>

<result>900</result>