5 + 3 + 2 = 151022 9 + 2 + 4 = 183652 8 + 6 + 3 = 482466 5 + 4 + 5 = 202541 then, 7 + 2 + 5 = ???

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5 + 3 + 2 = 151022
9 + 2 + 4 = 183652
8 + 6 + 3 = 482466
5 + 4 + 5 = 202541
then,
7 + 2 + 5 = ???
?
?
?
?
?
?

Ans: 143547 because:
7*2 = 14
7*5 = 35
14+35-middlenumber(2) = 47