A bag of flour weighs 30 kilograms, how many kilograms are its (1/3) less than its (1/2).
一袋面粉重30千克，它的(1/3)比它的(1/2)少多少千克．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/2) - (1/3)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">30 * (1/6)</gadget>
<output>5</output>

<result>5</result>