 
<translate> Onye ahụ na-edozi ihe ji 30 / 100 * 400 = 120 ntu dozie kichin ahụ. Ọnụ ọgụgụ ntu ndị fọdụrụ n'ime ite ahụ mgbe ọ rụchara kichin ahụ bụ 400 - 120 = 280. Ọ na-ejikwa 70 / 100 * 280 = 196 nke ntu ndị fọdụrụ n'ime ite ahụ dozie ogige ahụ. Ngụkọta ọnụ ọgụgụ ntu ndị onye na-edozi ihe na-ejighị bụ 280 - 196 = 84. <eng> The fixer used 30 / 100 * 400 = 120 nails to fix the kitchen. The number of nails remaining in the container after he fixes the kitchen is 400 - 120 = 280. He also uses 70 / 100 * 280 = 196 of the nails remaining in the container to fix the fence. The total number of nails which the fixer hasn't used is 280 - 196 = 84. 