There are four people in Xiao Wang's family, with a housing area of 72.6 square meters. What is the average housing area per person in his family?
小王家有四口人，住房面积72.6平方米，他家平均每人住房面积是多少平方米？
<gadget id="calculator">72.6 / 4</gadget>
<output>18.15</output>

<result>18.15</result>