end when you see the end of the expressionyou can evaluate + here you can' add the until you know the result of * why notbecause multiplication has higher precedence than addition in factboth and have higher precedence than and -so all multiplications and divisions must be carried out before any additions or subtractions (unless parentheses dictate otherwisesee the next examplefigure evaluating + * often you can evaluate as you go from left to rightas in the last example howeveryou need to be surewhen you come to an operand-operator-operand combination like +bthat the operator on the right side of the isn' one with higher precedence than the if it does have higher precedenceas in this exampleyou can' do the addition yet howeveronce you've read the the multiplication can be carried out because it has the highest priorityit doesn' matter if or follows the howeveryou still can' do the addition until you've found out what' beyond the when you find there' nothing beyond the but the end of the expressionyou can go ahead and do the addition figure shows this process parentheses can by used to override the normal precedence of operators table shows how you would evaluate *( + without the parentheses you' do the multiplication firstwith them you do the addition first