In the manual class, the boy group folded 135 paper airplanes, and the girl group folded twice as many as the boy group. How many paper airplanes did the girl group fold?
手工课上，男生组折出135只纸飞机，女生组折的数目是男生组的2倍，请问女生组折出了多少只纸飞机？
<gadget id="calculator">135 * 2</gadget>
<output>270</output>

<result>270</result>