 
<translate> Bayan sa'o'i 3, tururuwa sun cire 4 * 3 = 12 ounces na sukari. Akwai 24 - 12 = 12 oz na sukari da suka rage. Saboda haka, tururuwa suna bukatar 12 / 4 = karin sa'o'i 3 don girbe sauran sukari. Amsar ƙarshe: 3. <eng> 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. 