1+1,012+999+1,012*999=1001,012+1010,988=2012
1+P+Q+PQ=1.012+999+1.012*999=1+1.012+999+1.012*999=1+1001.012+1010.988=2013
1+1,012+999+1,012*999=1001,012+1010,988=2012
1+P+Q+PQ=1.012+999+1.012*999=1+1.012+999+1.012*999=1+1001.012+1010.988=2013