3.6 * 4203 * 3.75-12.5-12.5 * 0.423 * 28, not directly! It's 3.6 * 42.3 * 3.75-12.5 * 0.423 * 28

3.6 * 4203 * 3.75-12.5-12.5 * 0.423 * 28, not directly! It's 3.6 * 42.3 * 3.75-12.5 * 0.423 * 28

3.6*42.3*3.75-12.5-12.5*0.423*28
=36*0.423*37.5-12.5*0.423*28
=108*0.423*12.5-12.5*0.423*28
=0.423*12.5*(108-28)
=0.423*12.5*80
=0.423*(12.5*80)
=0.423*1000
=423