Alice has 20 quarters. She wants to exchange them for nickels and so she goes to the bank. After getting back from the bank, she discovers that 20% of the nickels are iron nickels worth $3 each. What is the total value of her money now?
A quarter is worth five nickels because .25 / .05 = 
<gadget id="calculator">.25/.05</gadget>
<output>5</output>
5.
She gets 100 nickels from the bank because 20 x 5 = 
<gadget id="calculator">20*5</gadget>
<output>100</output>
100
20 of the nickels are iron nickels because 100 x .20 = 
<gadget id="calculator">100*.20</gadget>
<output>20</output>
20
80 of the nickels are regular because 100 - 20 = 
<gadget id="calculator">100-20</gadget>
<output>80</output>
80.
The iron nickels are worth $60 because 20 x 3 = 
<gadget id="calculator">20*3</gadget>
<output>60</output>
60.
The regular nickels are worth $4 because 80 x .05 = 
<gadget id="calculator">80*.05</gadget>
<output>4</output>
4.
Her money is now worth $64 because 60 + 4 = 
<gadget id="calculator">60+4</gadget>
<output>64</output>
64.

<result>64</result>