Xiaofang’s family used 16.5 tons of water in May, and the price per ton of water was 2.1 yuan. There are 5 people in Xiaofang’s family. How much should each person pay on average?
小芳家五月份用水量是16.5吨，每吨水的价格是2.1元，小芳家一共有5口人，平均每人应交多少水费？
<gadget id="calculator">2.1 / 5</gadget>
<output>0.42</output>

<gadget id="calculator">16.5 * 0.42</gadget>
<output>6.93</output>

<result>6.93</result>