Tiggie's Dog Toys, Inc., reported a debt$-$to$-$equity ratio of $1\mathrm{.}69$ times at the end of $2021.$ If the firm's total debt at year$-$end was $$31$ million, how much equity does Tiggie's have on its balance sheet? $($Enter your answer in millions of dollars rounded to $2$ decimal places.$)$

Total equity