Eugene Chiang, an astrophysicist at the University of California, Berkeley, received such an email, and decided to have a go using high school mathematics.

加州大学伯克利分校的天体物理学家Eugene Chiang接到了这封信，并且决定使用高中数学来解决它。

youdao

Son transferred to a Berkeley high school the next year, entered a small college in 1975 and jumped two years later to the University of California, Berkeley, to study economics.

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After high school Wang went on to Berkeley, where after a few weeks' flirtation with a career in music--she played piano--Wang shifted gears and studied economics.

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He left for the U.S. when still in high school, graduated from the University of California at Berkeley with an economics degree and, upon his return to Japan, insisted on using his Korean surname, Son, instead of Yasumoto, the Japanese name his parents had taken.

CNN: ASIANOW - TIME Asia | Asian Newsmaker 1999: Masayoshi Son--Page 1