Hortense loves daisies and sunflowers.  She planted 25 daisy seeds and 25 sunflower seeds in her flower bed.  If 60% of the daisy seeds germinate, and 80% of the sunflower seeds germinate, and 80% of the resulting plants produce flowers, how many plants will she grow that produce flowers?
At a germination rate of 60%, 25 seeds will yield 60/100*25=
<gadget id="calculator">60/100*25</gadget>
<output>15</output>
15 plants.
At a germination rate of 80%, 25 seeds will yield 80/100*25=
<gadget id="calculator">80/100*25</gadget>
<output>20</output>
20 plants.
In total, she will have grown 15+20=
<gadget id="calculator">15+20</gadget>
<output>35</output>
35 plants.
If 80% of the plants developed flowers, then she will have grown (80/100)*35=
<gadget id="calculator">(80/100)*35</gadget>
<output>28</output>
28 plants that produce flowers.

<result>28</result>