The expression is
(Apply assosiative property: )
(Add: 14 + 23 = 37)
(Add: 8 + 15 = 23)
(Add: 37 + 23 = 60)
The value of the expression is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=40d4b8fcc941b8d0cd1205c709b32e1b.png\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8f6ccb121c0d46f000fd25fb6e71042d.png\")
(Apply assosiative property: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0ac940ec69cdcbea7470db4d2cb12516.png\")
) ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f0962fd143805adeb7300be0d159d057.png\")
(Add: 14 + 23 = 37)![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=17d7b7f44b9002a0f292de6909c79929.png\")
(Add: 8 + 15 = 23)![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=82e311bf6c54a8eef6d9967220d6749a.png\")
(Add: 37 + 23 = 60)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d0dc54e114ba6f32b71d54eda3292e97.png\")
.