Review-Evaluating Call Expressions add (2 ，3 Operator Operand Operand 1.Evaluate a.Evaluate the operator subexpression b.Evaluate each operand subexpression 2.Apply a.Apply the value of the operator subexpression to the values of the operand subexpressionReview - Evaluating Call Expressions 1. Evaluate a. Evaluate the operator subexpression b. Evaluate each operand subexpression 2. Apply a. Apply the value of the operator subexpression to the values of the operand subexpression add ( 2 , 3 ) Operator Operand Operand