 
<translate> Ernie yana da hatimi sau uku fiye da Peggy, ko kuma 3 * 75 = 225 hatimi. Bert yana da hatimi sau 4 fiye da Ernie, ko kuma 4 * 225 = 900 hatimi. Saboda haka, Peggy zai bukaci 900 - 75 = 825 karin hatimi don samun tarin kamar na Bert. Amsar ita ce 825. <eng> 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. 