Find the value of $\left(3+3\right)\times12$(3+3)×12.
Find the value of $\left(6-4\right)\times9$(6−4)×9.
Find the value of $11\times\left(3+4\right)-58$11×(3+4)−58.
Find the value of $\left(24\times3\right)\div\left(4+2\right)$(24×3)÷(4+2).
Simplify whole number numerical expressions using the order of operations