Wiktionary
kill two birds with one stone
vb. (context idiomatic English) To solve two problems with one single action.
Usage examples of "kill two birds with one stone".
Deciding to kill two birds with one stone, she began to root through the cupboards.
And they could kill two birds with one stone, in a way, if they deliberately failed to respond to our drones.
It will be a good opportunity to kill two birds with one stone, see Bozo fight and pay her a visit the next morning.
We can go out with that group and show them around, and do some fieldwork, and kill two birds with one stone.