'********** recursion
'0 is a number
<0 --> num>. %1.00;0.90%
'If n is a number, n+1 is also a number
<<$1 --> num> ==> <(*,$1) --> num>>. %1.00;0.90%
'3 is a number?
<(*,(*,(*,0))) --> num>?
70000
'I guess 3 is a number
''outputMustContain('<(*,(*,(*,0))) --> num>. %1.00;0.66%')