###Human: Jaynie wants to make leis for the graduation party.  It will take 2 and half dozen plumeria flowers to make 1 lei.  If she wants to make 4 leis, how many plumeria flowers must she pick from the trees in her yard?, ### Assistant: To make 1 lei, Jaynie will need 2.5 x 12 = 30 plumeria flowers.
To make 4 leis, she will need to pick 30 x 4 = 120 plumeria flowers from the trees. 
 So the answer is :  120