Moving Math-find answer number

This game's goal is to find answer number which is moving.
Move robot toward answer number and get it.
If you touch screen, you can move robot.
Must find answer number among moving numbers most of all.
If robot is collided with wrong number, life will be reduced.
Must find answer number among moving numbers and robot must not be collided with wrong number.
Make robot clever.
Compare your score with other's in global leaderboard.