There are 5 people in Xiaohong’s family. Last month, they paid a total of 22.2 yuan for water. If the price per ton of water is 1.2 yuan, how many tons of water did each person in Xiaohong’s family use on average last month?
小红家有5口人，上个月共交水费22.2元，如果每吨水的价格是1.2元，小红家上个月平均每人用水多少吨？
<gadget id="calculator">22.2 / 1.2 / 5</gadget>
<output>3.7</output>

<result>3.7</result>