 
 <translate> Ernie has three times as many stamps as Peggy, or 3 * 75 = 225 stamps. Bert has 4 times as many stamps as Ernie, or 4 * 225 = 900 stamps. Thus, Peggy would need 900 - 75 = 825 more stamps to have a collection as large as Bert's. So the answer is 825. <ibo> Ernie nwere stampụ ji okpukpu atọ karịa Peggy, ma ọ bụ 3 * 75 = stampụ 225. Bert nwere stampụ ji okpukpu anọ karịa Ernie, ma ọ bụ 4 * 225 = stampụ 900. N'ihi ya, ọ ga-adị Peggy mkpa inwetakwu stampụ 900 - 75 = 825 iji nwee ụdị stampụ Bert nwere. Ya mere azịza ya bụ 825. 