In the transformation of new countryside, 72 households were transformed in Yangguang Village last year, 20% more than the previous year. How many households were transformed in Yangguan Village in the previous year?
新农村改造，阳光村去年改造了72户，比前年多20%，阳关村前年改造了多少户？
<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">72 / (6/5)</gadget>
<output>60</output>

<result>60</result>