gain (something) by (doing something)

gain (something) by (doing something)

To benefit in some way from doing something. Did you gain anything by picking a fight with your sister? I gained some peace of mind by finally telling the truth.
See also: by, gain

gain something by doing something

to achieve some benefit by doing something. What did he gain by dropping out of school? I will gain some degree of security by investing in U.S. Treasury bonds.
See also: by, gain