 
 <translate> After 3 hours, the ants have removed 4 * 3 = 12 ounces of sugar. There are 24 - 12 = 12 ounces of sugar left. Thus, the ants need 12 / 4 = 3 more hours to harvest the remaining sugar.
The final answer: 3. <ibo> Mgbe awa 3 gasịrị, ndanda ahụ ewepụwo 4 * 3 = ounce 12 nke shuga. E nwere 24 - 12 = 12 ounce shuga fọdụrụ. N'ihi ya, ọ ga-ewe ndanda ndị ahụ awa iri na abụọ na ọkara ka ha nweta shuga ahụ fọrọ afọ. Azịza ikpeazụ ya bụ: 3. 