Summer Math Challenge Level 3 Lost my Marbles

This is the 3rd of 10 questions in the #summermathchallenge. Have you gotten them all right so far? Stay sharp, they all get harder from here. Good Luck!

Sayo had 3 bags of purple marbles and 4 bags of green marbles. Each purple bag had 145 marbles. Each green bag 98 marbles. If Sayo lost 35 green marbles and 49 purple marbles, how many marbles, no matter what color, would she have left in all? Watch the video below for the answer and explanation.