The expression is .
(Substitute a = 3 and b = 8)
(Multiply: )
(Add: 6 + 16 = 22)
The value of the expression is 22.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b5e0b0e258a183d7f087ea33b744b9d9.png\")
. ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8be4fb264d5e39fc2ce90bf77e75516a.png\")
(Substitute a = 3 and b = 8)![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=65ff139959b124eb7c0fe21ac1cbf468.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=be18f9cb676b2e4ac37d873c9479c979.png\")
)![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=48afe8869ad61198591f2ae1a32b910e.png\")
(Add: 6 + 16 = 22)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")