 
 <translate> The number of birthday presents that David found is 60 / 2 = 30. For his birthday and Christmas, David found a total of 30 + 60 = 90 presents. So the answer is 90. <ibo> Ọnụ ọgụgụ onyinye ụbọchị ọmụmụ nke David chọtara bụ 60 / 2 = 30. N'ụbọchị ọmụmụ ya na n'oge Krismas, David chọtara ngụkọta nke onyinye 30 + 60 = 90. Ya mere azịza ya bụ 90. 