Put three balls numbered 1, 2, and 3 in an opaque box. You can only touch one ball at a time, then put the ball back into the box, shake it well, and then touch each person three times. "111" won the first prize; "222" won the second prize; and "333" won the third prize, so what is the possibility of winning the prize?
在一个不透明的盒子里放入编号为1，2，3的三个球，每次只能摸一个球，然后把这个球放回盒子里，摇匀后再摸每人摸三次，摸出的是"111"获一等奖；摸出的是"222"获二等奖；摸出的是"333"获三等奖，那么获奖的可能性是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * (1/3) * (1/3)</gadget>
<output>1/27 = around 0.037037</output>

<result>1/27 = around 0.037037</result>