Mitchell is trying to chew as many pieces of gum at once as he can. He has 8 packets of gum, There are 7 pieces in each. If he chews all the gum except for 2 pieces, how many pieces does he chew at once?
The packets have 56 pieces in total because 8 x 7 = 
<gadget id="calculator">8*7</gadget>
<output>56</output>
56.
He chews 54 pieces because 56 -2 = 
<gadget id="calculator">56-2</gadget>
<output>54</output>
54.

<result>54</result>