The school's water expenses in the second quarter increased by 20% compared with the first quarter. What is the amount in the second quarter of the first quarter?
学校第二季度水费支出比第一季度增加20%，第二季度是第一季度的多少．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(6/5) / 1</gadget>
<output>6/5 = around 1.2</output>

<result>6/5 = around 1.2</result>