public override IValue Evaluate()
{
var left = _left.Evaluate();
var right = _right.Evaluate();
if (left == null || right == null)
{
return null;
}
var leftValue = Convert.ToInt64(left.AsDecimal);
var rightValue = Convert.ToInt64(right.AsDecimal);
return new DecimalValue(Math.Truncate((decimal)leftValue / rightValue));
}
}