144
2+3=10-->2x(2+3)=2x5=10
7+2=63-->7x(7+2)=7x9=63
...
so
9+7=9x(9+7)=9x16=144
144
2+3=10-->2x(2+3)=2x5=10
7+2=63-->7x(7+2)=7x9=63
...
so
9+7=9x(9+7)=9x16=144
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