english: We have 1.5 million enrollments, 6 million quizzes in the 15 classes that have launched so far have been submitted, and 14 million videos have been viewed.
non_english: We hebben 1,5 miljoen inschrijvingen, 6 miljoen afgelegde proeven in de 15 vakken die gestart zijn,  en 14 miljoen bekeken video’s.