Two questions about my paunch and chest muscle. (kiwidziwi)

Hello. My numbers are: 183cm/6feet tall, 77kg/170pounds, 30 year old. No meat in diet. No time or money for gym or sports. No equpment aside of two 5-20kg/11-44pounds adjustable dumbbells. First question: What can i do about my belly? It is kind of wi..