There is a class of natural numbers, the sum of the digits of each number is an odd number, and it is the product of two digits (for example, 10*10=100), and the product is less than 200, then the fifth largest of this type of natural numbers What is the number.
有一类自然数，每一个数各位数字之和都是奇数，而且都是两位数的乘积(例如10*10=100)，且其乘积都小于200，那么这一类自然数中，第五大的数是多少．
<gadget id="calculator">10 * 16</gadget>
<output>160</output>

<result>160</result>