Allie's making guacamole for a party. Each batch requires 4 avocados and serves about 6 people. If 42 people are going to be at the party including her, how many avocados does she need?
Each batch serves 6 people, and there are 42 people coming to the party, so she needs to make 42 / 6 = 
<gadget id="calculator">42/6</gadget>
<output>7</output>
7 batches.
Each batch requires 4 avocados, so she will need 4 * 7 = 
<gadget id="calculator">4*7</gadget>
<output>28</output>
28 avocados.

<result>28</result>