The output value of a factory in September is 200,000 yuan, which is (1/5) higher than that in August. How much is the output value in August? What is the column type.
某工厂九月份的产值是20万元，比八月份增长了(1/5)，八月份的产值是多少万元？列式是多少．
<gadget id="calculator">1 / 5</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">20 / (6/5)</gadget>
<output>50/3 = around 16.666667</output>

<result>50/3 = around 16.666667</result>