There are five numbers 9, 7, 2, 1, and 0. Using four of these numbers, what is the smallest four-digit number that can be divisible by 2, 3, and 5 at the same time?
有9、7、2、1、0五个数字，用其中的四个数字，组成能同时被2、3、5整除的最小的四位数是多少．
<result>1_290</result>