The grain store brings in 12 tons of rice, which is 1/3 more than flour. How many tons of flour are brought in?
粮店运进大米12吨，比面粉多(1/3)，运进面粉多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + (1/3)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">12 / (4/3)</gadget>
<output>9</output>

<result>9</result>