What is the value of $\frac{7of14÷4}{5×4÷2}+\frac{6÷12×3}{5÷25×2}+\frac{15÷5×6}{5×15÷6}$?

7.64 7.44 7.62 7.22

7.64

$\frac{7of14÷4}{5×4÷2}+\frac{6÷12×3}{5÷25×2}+\frac{15÷5×6}{5×15÷6}$ = $\frac{49÷2}{10}+\frac{3÷2}{2÷5}+\frac{18}{25÷2}$ = $\frac{49}{20}+\frac{15}{4}+\frac{36}{25}$ = 2.45 + 3.75 + 1.44 = 7.64