Nicola has four number cards, and each number can be used only once.  $$\boxed{1}\textasciitilde\textasciitilde\textasciitilde\boxed{2}\textasciitilde\textasciitilde\textasciitilde\boxed{8}\textasciitilde\textasciitilde\textasciitilde\boxed{9}$$  She arranges them to form two $$2$$ digit numbers. She multiplies the numbers together. Calculate the largest possible answer. 
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