(3+3/7)*7
(3+(3/7))*7
(3+3/7)*7
(3+(3/7))*7
(3+3/7)*7
(3+(3/7))*7
(3+3/7)*7
(3+(3/7))*7
7*(3+3/7)
7*(3+(3/7))
7*(3+3/7)
7*(3+(3/7))
7*(3+3/7)
7*(3+(3/7))
7*(3+3/7)
7*(3+(3/7))
7*(3/7+3)
7*((3/7)+3)
7*(3/7+3)
7*((3/7)+3)
7*(3/7+3)
7*((3/7)+3)
7*(3/7+3)
7*((3/7)+3)
(3/7+3)*7
((3/7)+3)*7
(3/7+3)*7
((3/7)+3)*7
(3/7+3)*7
((3/7)+3)*7
(3/7+3)*7
((3/7)+3)*7