It costs 112 yuan to buy 4 thermos bottles. If you buy 8 thermos bottles, how much will it cost? (solved in two different ways)
买4个热水瓶一共花了112元，如果买8个热水瓶，要用多少元？(用两种不同的方法解决)
<gadget id="calculator">112 / 4</gadget>
<output>28</output>

<gadget id="calculator">28 * 8</gadget>
<output>224</output>

<result>224</result>