Xiaogang's weight is 28.4 kg, and Xiaoqiang's weight is 1.4 times that of Xiaogang's. How many kilograms does Xiaoqiang weigh?
小刚的体重是28.4千克，小强的体重是小刚的1.4倍，小强的体重是多少千克？
<gadget id="calculator">28.4 * 1.4</gadget>
<output>39.76</output>

<result>39.76</result>