Human: Antonio is a boy who eats a lot and his weight is 50 kilograms. Antonio's sister, who is an athlete, weighs 12 kilograms less than him. How much do the two siblings weigh together? Assistant:
Antonio's weight is 50 kilograms. His sister weighs 12 kilograms less than him so she weighs 50 kilograms - 12 kilograms = 38 kilograms
The weight of the two siblings combined is 50 kilograms + 38 kilograms = 88 kilograms.