A chocolate cake needs 3 eggs per cake. Cheesecake requires 8 eggs for each cheesecake. How many more eggs are needed for 9 cheesecakes than are needed for 5 chocolate cakes?
Eggs in cheesecakes = 8 * 9 = 
<gadget id="calculator">8*9</gadget>
<output>72</output>
72.
Eggs in chocolate cake = 5 * 3 = 
<gadget id="calculator">5*3</gadget>
<output>15</output>
15
72 - 15 = 
<gadget id="calculator">72-15</gadget>
<output>57</output>
57.
Nine cheesecakes need 57 more eggs than 5 chocolate cakes.

<result>57</result>