At 18:05 on October 24, 2007, my country's lunar exploration satellite "Chang'e-1" was successfully launched. How many days are there in the first quarter of this year?
2007年10月24日18时05分，我国的探月卫星"嫦娥一号"发射成功，这一年的第一季度有多少天．
<gadget id="calculator">31 + 28 + 31</gadget>
<output>90</output>

<result>90</result>