When can China SMG Football Calculator be used?

At the beginning of the game. Football calculator wins, draws and loses. This is a professional live broadcast platform that can watch sports events all over the country. There are different activities every day. The football calculator can be used at the beginning of the game. The calculator on the football field shows 0: 0 at the beginning of the game. If one side scores a goal after the start of the game, the one who scores will get 1 point, and the calculator will display 1:0.