Simplification of products and the number 0



Related bug:

 (%i1) (fpprec : 20, a : 0.0b0)$

 (%i2) (fpprec : 30, b : 0.0b0)$

 (%i3) ?print(a*b);
 ((BIGFLOAT SIMP 56) 0 0) 

 (%o3) 0.0b0

 (%i4) ?print(b*a);
 ((BIGFLOAT SIMP 69) 0 0) 
 (%o4) 0.0b0

--Barton