A certain grain store sold 30 tons of flour last week, which was 1/5 more than rice. How many tons of rice did the grain store sell last week?
某粮店上周卖出面粉30吨，比大米多(1/5)，粮店上周卖出大米多少吨？
<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">30 / (6/5)</gadget>
<output>25</output>

<result>25</result>