In the activity of showing love to the earthquake-stricken areas in Sichuan, the second grade of Qianjin Primary School donated 120 yuan, and the amount donated by the third grade was twice that of the second grade, which was 6 yuan less. How much was the donation for the third grade?
在向四川地震灾区献爱心的活动中，前进小学二年级捐款120元，三年级捐款的钱数是二年级的2倍少6元，三年级捐款多少元？
<gadget id="calculator">120 * 2</gadget>
<output>240</output>

<gadget id="calculator">240 - 6</gadget>
<output>234</output>

<result>234</result>