How many cars' nuclei would you have to put into the box to have your one-foot-box have the same density of the nucleus?
چندتا هسته‌ی ماشین را باید در جعبه بگذاریم تا چگالی جعبه‌ی یک‌فوتی شما به اندازه‌ی هسته بشه؟