CARTOON RIDDLE NO FURTHER A MYSTERY

Q22: Two moms and two daughters went out to take in, All people ate a burger, but only 3 burgers ended up eaten. How is it attainable?The short is about a magician trying to conduct a display with his uncooperative rabbit which is a gag-loaded homage to classic cartoons for example Tom and Jerry and Looney Tunes. Presto was directed by veteran Pixa