Convert from military pace to fermi

Unit Definition (military pace)
The length of a single step in marching (taken to be 30 inches for quick time or 36 inches for double time).

Unit Definition (fermi)
The Fermi was a metric unit of distance formerly used in atomic physics. One Fermi equals 10e-15 meter, or 1 femtometer. The unit was named after Enrico Fermi (1901-1954), the Italian-American physicist who built the first nuclear reactor.