Protecting the environment is everyone's responsibility. Students in Class 1 of Grade 5 recycled 3.6 kg of waste paper during weekend breaks, and each kg of waste paper can produce 0.84 kg of recycled paper. How many kilograms of recycled paper can be produced from this waste paper?
保护环境，人人有责．五年级一班的同学利用周末休息时间回收了3.6千克废纸，每千克废纸可生产0.84千克的再生纸．这些废纸可以生产多少千克再生纸？
<gadget id="calculator">3.6 * 0.84</gadget>
<output>3.024</output>

<result>3.024</result>