Oliver has 10 $20 and 3 $5 bills. William has 15 $10 and 4 $5 bills. How much more money does Oliver have than William?
Oliver's $20 bills amount to $20 x 10 = $
<gadget id="calculator">20*10</gadget>
<output>200</output>
200.
Oliver's $5 bills amount to $5 x 3 = $
<gadget id="calculator">5*3</gadget>
<output>15</output>
15.
So, Oliver has a total of $200 + $15 = $
<gadget id="calculator">200+15</gadget>
<output>215</output>
215.
William's $10 bills amount to $10 x 15 = $
<gadget id="calculator">10*15</gadget>
<output>150</output>
150.
William's $5 bills amount to $5 x 4 = $
<gadget id="calculator">5*4</gadget>
<output>20</output>
20.
So, William has a total of $150 + $20 = $
<gadget id="calculator">150+20</gadget>
<output>170</output>
170.
Therefore, Oliver has $215 - $170 = $
<gadget id="calculator">215-170</gadget>
<output>45</output>
45 more than William.

<result>45</result>