A call with a strike price of $$60$ costs $$6.$ A put with the same strike price and expiration date costs $$4.$ You construct a straddle $(\backslash /)$ from these options. What is the profit of the strategy if the stock price is $64$ at expiration?

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