Xiao Hua and Xiao Ming kicked the shuttlecock, Xiao Hua kicked 78 times, and Xiao Ming kicked twice as much as Xiao Hua. How many kicks did the two kick together?
小华和小明踢毽子，小华踢了78下，小明踢的是小华的2倍．两人一共踢了多少下？
<gadget id="calculator">78 * 2</gadget>
<output>156</output>

<gadget id="calculator">156 + 78</gadget>
<output>234</output>

<result>234</result>