The tens digit of a four-digit number is 2 larger than the hundreds digit, the tens digit is 3 smaller than the ones digit, the thousands digit is twice the hundreds digit, and the thousands digit is 6. What is this number?
一个四位数的十位数字比百位数字大2，十位数字比个位数字小3，千位数字是百位数字的2倍，千位数字是6，这个数是多少．
<result>6_358</result>