Find the value of $36.53\times63\div9$36.53×63÷9, giving your answer as a decimal.

Find the value of $6\times9.6+7.7$6×9.6+7.7, giving your answer as a decimal.

Find the value of $8\times\left(9.7+5.2\right)$8×(9.7+5.2), giving your answer as a decimal.

Find the value of $4.7\times\left(8.5-6.5\right)$4.7×(8.5−6.5), giving your answer as a decimal.