In the past, the school used 16 tons of water per day. Since the use of water-saving faucets, the water consumption per day is 14 tons.
以前学校每天用水16吨，自从用了节水的水龙头后，每天用水是14吨，现在每天的用水量比原来节约了多少．
<gadget id="calculator">16 - 14</gadget>
<output>2</output>

<gadget id="calculator">2 / 16</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>