A call option with a strike price of $$50$ costs $$1\mathrm{.}9.$ A put option with a strike price of $$45$ costs $$3\mathrm{.}1.$

You use these options to construct a strangle $(\backslash \_/).$ What is the profit of the strategy if the stock price is $51$ at expiration?

$($required precision: $0\mathrm{.}01+/-0\mathrm{.}01)$