When calculating 0.28*5, you can calculate 28*5 first, and then reduce the obtained product to the original number to get the correct result.
计算0.28*5时，可以先计算28*5，再把所得的积缩小为原数的多少即可得到正确结果．
<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>

<result>1/100 = around 0.01</result>