After the school launched water saving activities, it used 690 liters of water every day, saving 60 liters. How much was saved?
学校开展节约用水活动后，每天用水690升，节约了60升，节约了多少
<gadget id="calculator">690 + 60</gadget>
<output>750</output>

<gadget id="calculator">60 / 750</gadget>
<output>2/25 = around 0.08</output>

<result>2/25 = around 0.08</result>