A robbery in a bank

 last week,there were three men wearing masks with three guns entering a bank to rob. But security guards at there couldn't do anything because they did not have gums.Therefore,the people there were robbed by the robber easily. But there was a man the this situation.So he called to the police station and told about the situation to the police.When the police officers knew this news,they started to bring many police officers more to go there. When they arrived there,they took the microphone then shouted to the robbers that"put yours gums down and raised your hands up".You couldn't do anything.The robbers that heard starting feeling scared.Then they went out the bank and raised their hands up.So the police had brought them to the police station.The people that were in the bank were so happy because the polices helped them on time.Then they continued to do the their jobs.