refactor(MO): Separate value and tree in MOs

mapytex/calculus/core/compute/divide.py

@@ -80,7 +80,7 @@ def monumber_monumber(left, right):
     """
     if type(left.value) in [float, Decimal] or \
             type(right.value) in [float, Decimal]:
-        return MO.factory(left / right)
+        return MO.factory(left.value / right.value)
     else:
         raise NotImplementedError("Can't divide 2 int. Need to create a Fraction instead")