A kind of sweater, the original price is 63 yuan, the current price is lower than the original price (2/9), how much is the price reduction.
一种毛衣，原价63元，现在的价钱比原来降低了(2/9)，降价多少元．
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">63 * (2/9)</gadget>
<output>14</output>

<result>14</result>