There are 26 red goldfishes, 9 black goldfishes, and the number of flower goldfishes is twice the total number of red goldfishes and black goldfishes. How many flower goldfish are there?
红金鱼有26条，黑金鱼有9条，花金鱼的条数是红金鱼和黑金鱼总数的2倍．花金鱼有多少条？
<gadget id="calculator">26 + 9</gadget>
<output>35</output>

<gadget id="calculator">35 * 2</gadget>
<output>70</output>

<result>70</result>