Burner

A multi-burner comprising:

• a base;
• a cover disposed on a top of the base and coupled to the base to define a mixing tube in which gas and air flow and are mixed with each other;
• and
• a head disposed on a top of the cover and configured to generate a flame,
• wherein the head includes:
• a first flame burner disposed in a central area of the head and having a plurality of first flame openings and arranged along a circumference of the central area;
• and
• a second flame burner disposed in an outer area of the head and provided adjacent to the first flame burner, wherein a plurality of second flame openings is provided in the second flame burner and are arranged along a circumference of the outer area,
• wherein the base, the cover, and the head are configured such that:
• the gas discharged from the mixing tube flows through the cover, and then flows to a central area of the cover,
• the gas is divided into portions in the central area of the cover, and
• one of the portions of the gas flows into the first flame burner, and at least one remaining portion flows into an outer area of the cover and flows into the second flame burner.