The teacher's cafeteria of Wujiahe Elementary School used 10 tons of water in March, and the water fee was 16 yuan. I used 8 tons of water in April, how much is the water fee?
乌加河小学教师食堂三月份用了10吨水，水费是16元．四月份用了8吨水，水费是多少元？
<gadget id="calculator">16 / 10</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">(8/5) * 8</gadget>
<output>64/5 = around 12.8</output>

<result>64/5 = around 12.8</result>