The breeding group raised 65 carrier pigeons, 5 fewer than meat pigeons, and twice as many ornamental pigeons as the total number of carrier pigeons and meat pigeons. How many ornamental pigeons does the breeding group keep?
饲养小组养了65只信鸽，比肉鸽少5只，养的观赏鸽是信鸽和肉鸽总数的2倍．饲养小组养了多少只观赏鸽？
<gadget id="calculator">65 + 5</gadget>
<output>70</output>

<gadget id="calculator">70 + 65</gadget>
<output>135</output>

<gadget id="calculator">135 * 2</gadget>
<output>270</output>

<result>270</result>