Calvin

1. Basic arithmetic. Or is it?

2. Pay attention to where the numbers are positioned on the keypad.

3. Maybe it's not about calculating. Maybe it's just about reading numbers in a row.

4. For instance, 1, 2 and 3 are all in the same row. 3, 6 and 9 are all in the same column.

5. Following this reasoning, 2 and 5 must equal … 8.

(SOLUTION FOLLOWS)

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6. Type EIGHT (34448) on the keypad.