>>>>>9 + 7 = ?
>>>>
>>>>It took me two minutes and I did not look at the rest of the thread
>>>>
>>>>multiply the first number with itself and add the product of the two numbers to it, thus
>>>>
>>>>9 + 7 = 81 + 63 = 144
>>>
>>>Interesting. I saw it differently (and, I think, more simply) :
>>>Add the two numbers together and multiply by the first.
>>
>>Now you need to prove mathemacially it will give you the same result.
>
>Tore just did it for me :-}
>I'm wondering about a third solution.....

Use alcohol as solvent.