750÷3÷25×8=750÷(3x25)x8=750÷75x8=10x8=80
750÷3÷25×8=750÷25÷3×8=30÷3×8=10×8=80
750/(3*25)*8=750/75*8=10*8=80
750/3/25*8=250/25*8=10*8=80