How much is 0.28 increased compared with the original number after being expanded 10 times
0.28扩大10倍后与原数相比增加了多少
<gadget id="calculator">0.28 * 10</gadget>
<output>2.8</output>

<gadget id="calculator">2.8 - 0.28</gadget>
<output>2.52</output>

<result>2.52</result>