6th grade math help. Can someone explain step by step how to solve #1 please

Answer:
87
Step-by-step explanation:
start with the innermost parenthesis first
{4+3*[5+3*(8)]-4}
order of operations: multiply before you add
{4+3*[5+24]-4}
{4+3*[29]-4}
order of operations: multiply before you subtract
{4+87-4}
solve left to right
{91-4}
87