Xiaomin's weight is 34.25 kg, which is 2.4 kg heavier than Xiao Li's. Xiao Na's weight is 1.92 kg lighter than Xiao Li's. How much does Xiao Na weigh?
小敏的体重是34.25千克，比小丽重2.4千克，小娜的体重比小丽轻1.92千克，小娜重多少千克？
<gadget id="calculator">34.25 - 2.4 - 1.92</gadget>
<output>29.93</output>

<result>29.93</result>