In the mathematics competition, Xiao Ming's admission ticket number is a three-digit number, the ones digit is twice the tens digit, the tens digit is twice the hundreds digit, and the sum of the three numbers is 14. Xiao Ming's pass What is the number.
在数学竞赛中，小明的准考证号是一个三位数，个位数字是十位数字的2倍，十位数字是百位数字的2倍，三个数字之和是14，小明的准证号是多少．
<result>248</result>