Create a woodpecker script that takes 16-bit a and 16-bit b and calculates the 32-bit product a*b.
<low a hi> | <low b hi> | <low output hi>
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0000000000000000 | 0000000000000000 | 00000000000000000000000000000000
1000000000000000 | 1000000000000000 | 10000000000000000000000000000000
0010000000000000 | 1111000000000000 | 00111100000000000000000000000000
1010001000000000 | 0010010110000000 | 00101100100011100000000000000000
1111111111111111 | 1111111111111111 | 10000000000000000111111111111111