Xiao Lin's weight is 34.5 kg, and Xiao Qiang is 11.8 kg less than twice Xiao Lin's. How many kilograms does Xiaoqiang weigh?
小林的体重是34.5千克，小强比小林的2倍少11.8千克．小强的体重是多少千克？
<gadget id="calculator">34.5 * 2</gadget>
<output>69</output>

<gadget id="calculator">69 - 11.8</gadget>
<output>57.2</output>

<result>57.2</result>