Speech Difficulties in Down Syndrome. Down syndrome (DS) is an incurable genetic disorder that has a profound impact upon a personâs physical, mental, and social development. Children with DS have anatomical and physiological differences in the mouth and throat region that affect feeding, swallowing, and oral motor skills.
1 A gross refers to a group of 144 items (a dozen dozen or a square dozen).  A great gross refers to a group of 1728 items (a dozen gross or a cubic dozen).
Short answer 1 gross = 144. Longer answer There are twelve dozen in a gross, in other words, 144. In mathematical terms. 1 gross = 1 dozen dozens = 12 x 12 = 144. 1 great gross = 1 dozen grosses = 12 x 144 = 1,728. + 96 others found this useful.