111+222+333+444+555+666*111+555*222+333*444

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111*(1+2+3+4+5)+111*111(6+10+12)=346653

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346653

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111+222+333+444+555+666*111+555*222+333*444
=111(1+2+3+4+5)+111*111(6*1+5*2+3*4)
=111*15+111*111*28
=111*3123
=346653

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