Liu Shan is 12 years old and weighs 36 kg, which is an overweight child. She joined a health club and lost an average of 0.8 kilograms per week. Six weeks have passed. How many kilograms does Li Lin weigh now?
刘杉今年12岁，体重为36千克，属于超重儿童．她加入一个健康俱乐部，平均每个星期体重减轻了0.8千克，6个星期过去了，请问李林现在的体重多少千克？
<gadget id="calculator">6 * 0.8</gadget>
<output>4.8</output>

<gadget id="calculator">36 - 4.8</gadget>
<output>31.2</output>

<result>31.2</result>