Not fun. calculating is for computers, make some problems for thinking.
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Look at the Target number at the top of the screen on each level.
Get all of the bamboo sticks containing problems whose answers equal the Target number.
A level is complete when all of the correct bamboo sticks have been retrieved.
Try to get all 3 stars on each level by completing each level as fast as you can.
Have panda go to coins for extra points.