In a school cafe during a break there is a noise and a din, everyone wants to have time to eat before the break is over. Today an elderly lady is standing by the service counter. It is not easy for her to cope with a crowd of screaming students. If she fails to serve ten visitors in three minutes, she may be dismissed. Help the lady to cope with the task in the game Lunch Lady. Your duties will include a quick calculation of the cost of the ordered dishes and the derivation of the correct result on the terminal board to dislodge the check. Look closely at the numbers under the plates and put them in your mind. Get the number on the keyboard.