$\"\"$

The expression is $\"\"$ .

$\"\"$ (Substitute: b = 0.3, c = $\"\"$ ) \ \ First operation is Subtraction.

$\"\"$ (Subtract: $\"\"$ )

$\"\"$

Next operation is multiplication.

$\"\"$ (Multiply: $\"\"$ )

$\"\"$

Next operation is Subtraction.

$\"\"$ (Subtract: $\"\"$ )

Next operation is division.

$\"\"$ (Divide: $\"\"$ )

$\"\"$

The value of the expression is 7.