A typical passenger vehicle in the United States emits ~$4\mathrm{.}6$ metric tons of CO$2$ per year.

Each vehicle also emits ~$0\mathrm{.}000108$ metric tons of CH$4$ and ~$0\mathrm{.}000115$ metric tons of N$2$O$.$ In $2019$ there were about $108,547,710$ passenger vehicles in the United States. Given this information, what are the total GHG emissions $($in million metric tons CO$2$e$)$ for U$.$S$.$passenger vehicles in $2019?$