Number Hero

Spiel mit Zahlen, seien Sie clever und präzise. Mit Ring Usavich weise ein Nummern Mensch.

Simple multiplication, generally it's multiplication of one digit numbers, the hardest is to the multiplication of two digits numbers. the calculated result is given, what need to do is only to judge the right or wrong in the limit of a few seconds, when timeout or give a wrong judgment, game over.