Dan plants 3 rose bushes. Each rose bush has 25 roses. Each rose has 8 thorns. How many thorns are there total?
First find the total number of roses: 3 bushes * 25 roses/bush = 
<gadget id="calculator">3*25</gadget>
<output>75</output>
75 roses.
Then multiply the number of roses by the number of thorns per rose: 75 roses * 8 thorns/rose = 
<gadget id="calculator">75*8</gadget>
<output>600</output>
600 thorns.

<result>600</result>