Strawberry Pear Gelatin

1 can (29 oz) pears
1 pkg (6 oz) strawberry gelatin
1 pkg (8 oz) cream cheese, cubed
1 carton (8 oz) cool whip, thawed
Mandarin oranges, opt.

Drain pears, reserving juice. Chop pears and set aside. Add water to the juice to measure 3 cups. Place in a saucepan; bring to a boil. Transfer to a large bowl. Add gelatin and stir until dissolved. Whisk in cream cheese until smooth. Refrigerate until slightly thickened. Whisk in whipped topping until smooth. Add chopped pears. Transfer to a 13 x 9 in dish. Cover and refreigerate until firm. Garnish with mandarin oranges if desired.