Klügel was fascinated by the topic and was soon ready to follow Kästner 's advice and change his course to read for a degree in mathematics.
Klügel ay nabighani sa pamamagitan ng paksa at ay handa na sa lalong madaling panahon upang sundin Kästner 's payo at baguhin ang kanyang kurso na basahin para sa isang degree sa matematika.