Metro plus bus - an hour of travel - at least 40 km.
that is, your distance - (40+40)*5*2= 800 km in two weeks, if you work in five days
Gasoline costs 800 rubles. at the price of fuel at least 31 rubles, your consumption is 3.2 l / 100 km

either you have a hybrid, charged from electricity, or you think you are so profitable riding
= is
He has a hammer from a recent fight about fuel consumption.