C44 60th Forced and 70th Zero(3)

Just as he finished his sentence, Ding Dai successfully brought up 70RMB in one go and said to the referees, "Let me demonstrate to everyone the technique of the 70mm recoil cannon!"

As he spoke, Ding successfully brought up 70,000, and introduced earnestly to everyone, "The cannon in my hand is a 70mm recoil cannon.

It was made a recoil cannon because it used special ammunition