 
 <translate> Out of the 400 emails that Antonia received in her mail, 1/4 were spam emails, while 2/5 of the remaining emails were promotional messages. If the rest of the emails were important emails, calculate the total number of important emails in her inbox. Let's think first. Chain of thought: <hau> Daga cikin imel 400 da Antonia ta karɓa a cikin wasikun ta, 1/4 imel ne na wasikun banza, yayin da 2/5 na sauran imel ɗin saƙonnin talla ne. Idan sauran imel ɗin imel ne masu muhimmanci, ƙididdige yawan adadin imel masu muhimmanci a cikin akwatin saƙo mai shiga. Bari mu yi tunani da farko. Sarkar tunani: 