Maggie picked 40 apples. Kelsey picked 28 apples. Layla picked some apples, too. The three averaged 30 apples picked. How many did Layla pick?
Together, they picked 30*3=
<gadget id="calculator">30*3</gadget>
<output>90</output>
90.
There are 40+28=
<gadget id="calculator">40+28</gadget>
<output>68</output>
68 accounted for.
Then Layla picked 90-68=
<gadget id="calculator">90-68</gadget>
<output>22</output>
22.

<result>22</result>