A lottery ticket is a combination of any three numbers from 0-9, such as 3, 1, 5 or 2, 4, 6, etc. If someone buys a lottery ticket, please analyze his possibility of winning.
一种彩票是由0-9中任意三个数字组合而成，如3、1、5或2、4、6等，某人买了一张彩票，请分析他中奖的可能性．
<gadget id="calculator">10 * 9 * 8</gadget>
<output>720</output>

<gadget id="calculator">3 * 2 * 1</gadget>
<output>6</output>

<gadget id="calculator">720 / 6</gadget>
<output>120</output>

<gadget id="calculator">1 / 120</gadget>
<output>1/120 = around 0.008333</output>

<result>1/120 = around 0.008333</result>