A jacket is 300 yuan, and the pants are less than the jacket (2/3), how much is a pair of pants?
一件上衣300元，裤子比上衣少(2/3)，一条裤子多少钱？
<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">300 * (1/3)</gadget>
<output>100</output>

<result>100</result>