Betty picked 16 strawberries. Matthew picked 20 more strawberries than Betty and twice as many as Natalie. They used their strawberries to make jam. One jar of jam used 7 strawberries and they sold each jar at $4. How much money were they able to make from the strawberries they picked?
Matthew picked 16 + 20 = 
<gadget id="calculator">16+20</gadget>
<output>36</output>
36 strawberries.
Natalie picked 36/2 = 
<gadget id="calculator">36/2</gadget>
<output>18</output>
18 strawberries.
All together, they have 16 + 36 + 18 = 
<gadget id="calculator">16+36+18</gadget>
<output>70</output>
70 strawberries.
They can make 70/7 = 
<gadget id="calculator">70/7</gadget>
<output>10</output>
10 jars of strawberries.
They earn 10 x $4 = $
<gadget id="calculator">10*4</gadget>
<output>40</output>
40 from the strawberries they picked.

<result>40</result>