Uncle Li’s family saved (12/7) tons of water last month, and each ton of water is calculated as (14/5) yuan. How much water was saved last month?
李叔叔家上个月节约用水(12/7)吨，每吨水按(14/5)元计算，上个月节约水费多少元？
<gadget id="calculator">12 / 7</gadget>
<output>12/7 = around 1.714286</output>

<gadget id="calculator">14 / 5</gadget>
<output>14/5 = around 2.8</output>

<gadget id="calculator">(12/7) * (14/5)</gadget>
<output>24/5 = around 4.8</output>

<result>24/5 = around 4.8</result>