>>> 19.87+9.58+3.19
32.64
>>> mp = 19.87+9.58+3.19
>>> mp = 19.87+9.58+3.19 + 2
>>> mp
34.64
>>> tax = 7.3/2
>>> tax
3.65
>>> rb = 22.83/1.03
>>> rb
22.16504854368932
>>> 11.56/2
5.78
>>> rb = 22.83/1.03  + 5.78/1.03
>>> rb
27.776699029126213
>>> rb+tax+mp
66.06669902912621 # all