3.72/0.26+6.28*6-3.72*37/13 =3.72*50/13-3.72*37/13+6.28*6 =3.72/13*(50-37)+6.28*6 =3.72+6.28*6 =3.72+(10-3.72)*6 =3.72+10*6-3.72*6 =60-3.72*5 =41.4
