Mandy has three $20 bills while Manny has two $50 bills. If both of them decide to exchange their bills for $10 bills, how many more $10 bills than Mandy will Manny have?
Mandy has a total of $20 x 3 = $
<gadget id="calculator">20*3</gadget>
<output>60</output>
60.
So, she will have $60/$10 = 
<gadget id="calculator">60/10</gadget>
<output>6</output>
6 $10 bills.
Manny has a total of $50 x 2 = $
<gadget id="calculator">50*2</gadget>
<output>100</output>
100.
So, he will have $100/$10 = 
<gadget id="calculator">100/10</gadget>
<output>10</output>
10 $10 bills.
Hence, Manny has 10 - 6 = 
<gadget id="calculator">10-6</gadget>
<output>4</output>
4 more $10 bills than Mandy.

<result>4</result>