A box of pears weighs 36 kilograms, eat (2/3), how many kilograms are left.
一箱梨重36千克，吃掉(2/3)，还剩多少千克．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">36 * (1/3)</gadget>
<output>12</output>

<result>12</result>