A grain store sold 18 tons of flour last week, and the rice sold was 1/6 more than the flour. How many tons more rice than the flour was sold last week?
某粮店上周卖出面粉18吨，卖出的大米比面粉多(1/6)，粮店上周卖出的大米比面粉多多少吨？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">18 * (1/6)</gadget>
<output>3</output>

<result>3</result>