B1
twice as much or as many
Dictionary examples:
I have double the homework and half the motivation. Help me, please! (0.0)
My brother ate double the pizza I did and now has double the stomachache! (0.0)
My cat sleeps double the hours I do. Maybe I should become a cat! (0.0)
It'll cost you double that now. (19.2)
Our new house is double the size of the old one. (26.8)