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112*2+1

=224+1

=225

2/3*24*1/17

=16/17

5/36*72

=10

23243*2+8765

=55251

432*7+432*13

=8640

112+1/1+112

=224

125*4*25*8

=100000

1500*(1-40%)

=900

30/(1-25%-25%)

=60

1440/(1-20%)

=1800