$63 + 371 \div 7 = ?$

The sum of five consecutive even numbers of set-$A$ is $220$. What is the sum of a different set of five consecutive numbers whose second lowest number is $37$ less than double the lowest number of set-$A$?

The numerator and denominator of a fraction are in the ratio of $2:3$. If $6$ is subtracted from the numerator,the result is a fraction that has a value $\frac{2}{3}$ of the original fraction. The numerator of the original fraction is

$9229.789 - 5021.832 + 1496.989 = ?$

$72 \%$ of $390 + 28 \%$ of $165 = (x - 3)$

$2 \frac{3}{5} + 3 \frac{4}{9} + 4 \frac{3}{15} = ?$