The temperature of the 7 days this week is 28 ° 29 ° 25 ° 25 ° 21 ° 25 ° 22 ° What is the average temperature this week?
本周7天的气温分别是28°29°25°25°21°25°22°这周平均气温是多少度？
<gadget id="calculator">28 + 29 + 25 + 25 + 21 + 25 + 22</gadget>
<output>175</output>

<gadget id="calculator">175 / 7</gadget>
<output>25</output>

<result>25</result>