The least prime number is

$6 - \left[ \frac{5}{6} + \left\{ 3 \frac{7}{8} - 2 \frac{1}{3} + 1 \frac{7}{9} \right\} \right] = ?$

$24-[2.4-\{0.24 \times 2-(0.024-?)\}]=22.0584$

$1599 \times 199 \div 49 - 1398 + 3877 = ?$

The sum of two numbers is $22$. Five times one number is equal to $6$ times the other. The bigger of the two numbers is

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 of the lowest number of set $A$?