897 * 3 / 8-37.5% + 104 * 0.375 3 1 / 4 * (5 3 / 8-5.375) simple calculation
897*3/8-37.5%+104*0.375
=(897-1+104)*0.375
=1000*0.375
=375
3 1/4*(5 3/8-5.375)
=13/4*(5.375-5.375)
=13/4*0
=0
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