Product of all sub arrays

WAP to find the product of all subarrays of an array

Example 1:

Input: {2,5}

Output: 100

Subarrays are {2}, {5}, {2,5}

Product is 2*5*10=100

Example 2:

Input: {3,6,8}

Output: 8957952 

Subsets are {3}, {6}, {8}, {3,6}, {6,8}, {3,8}, {3,6,8}

Product is 3*6*8*18*48*24*144 =8957952