A simple pattern puzzle
What is the number in the ?? box? Why? No programming please.
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The missing number is
To get the value in a box from its two preceding inputs, you
take the product of all of the digits of each input, and then sum these together. For example, 3x6x6 + 2x4x2 = 108 + 16 = 124. To get the missing value, we see that 5x6 + 2x2 = 30 + 4 = 34.