In the second quarter of this year, Xiaoming's family spent 52 yuan on water, which was twice as much as in the first quarter by 4 yuan. Q: How much is the water fee in the first quarter? (column equation solution)
小明家今年第二季度支出水费52元，是第一季度的2倍多4元．问：第一季度的水费是多少元？(列方程解答)
<gadget id="calculator">52 - 4</gadget>
<output>48</output>

<gadget id="calculator">48 / 2</gadget>
<output>24</output>

<result>24</result>