ate a bag of rice (1/6). How much of this bag of rice is left?
一袋大米，吃了(1/6)．还剩这袋大米的几分之几？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>