There were 144 households in Xingfu Community the year before last, which is 1/3 less than last year. How many residents were there last year?
幸福小区前年有住户144户，比去年少了(1/3)．去年有多少住户？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">144 / (2/3)</gadget>
<output>216</output>

<result>216</result>