Mulitple R $0\mathrm{.}32923$

R Square $0\mathrm{.}50832$

$\backslash$table$[[,$Coefficients$],[$Intercept$,99\mathrm{.}0000],[$Heels$,-7\mathrm{.}5000]]$

Given the above regression equation on the discounted cost of high heels in pairs, if someone bought $2$ high heels in pairs, what would they spend? $($Provide your answer as a whole number$).$

Integer, decimal, or E notation allowed