Drain the juice from the Mandarin Oranges, add the package of Jell-O. Use a fork to stir the oranges and Jell-O together smashing the oranges while you go. Stir until the Jell-O is dissolved. Add the whipped topping. Fold in until combined. Let the salad sit for 15-20 minutes until set. This recipe can be doubled or tripled if desired.