The price of tap water for citizens in Bijie is 3.2 yuan per ton. Xiaojun's family paid 27.2 yuan for water last month. How many tons did his family use last month? (solution by equation)
毕节市民用自来水的价格为每吨3.2元．小军家上月付水费27.2元，他家上个月用水多少吨？(用方程解)
<gadget id="calculator">27.2 / 3.2</gadget>
<output>8.5</output>

<result>8.5</result>