Tim has 30 toads. Jim has 20 more toads than Tim does. Sarah has twice as many toads as Jim does. How many toads does Sarah have?
Jim has 30+20 = 
<gadget id="calculator">30+20</gadget>
<output>50</output>
50 toads.
Sarah has 50*2 = 
<gadget id="calculator">50*2</gadget>
<output>100</output>
100 toads.

<result>100</result>