There are some new bananas in the fruit shop. Each box weighs 25 kilograms, and the price per kilogram is 4 yuan. There are 28 boxes in total. How much do these bananas sell for in total? (Can you solve it differently?)
水果店新进了一些香蕉．每箱重25千克，每千克售价4元，一共进了28箱．这些香蕉一共可以卖多少钱？(你能用不同方法解决么？)
<gadget id="calculator">4 * 25</gadget>
<output>100</output>

<gadget id="calculator">28 * 100</gadget>
<output>2_800</output>

<result>2_800</result>