Ashley wants a champagne toast at her wedding.  She wants to serve 2 glasses of champagne to each of her 120 wedding guests.  1 bottle of champagne has 6 servings.  How many bottles of champagne will she need?
She wants to serve 2 glasses of champagne to each of her 120 wedding guests so that's 2*120 = 
<gadget id="calculator">2*120</gadget>
<output>240</output>
240 servings.
Each bottle holds 6 servings and she needs 240 servings so that's 240/6 = 
<gadget id="calculator">240/6</gadget>
<output>40</output>
40 bottles of champagne.

<result>40</result>