15.4 is reduced to (1/(())) of the original number to get 0.154; 0.08 is expanded to how many times the original number is 8.
15.4缩小到原数的(1/(()))得到0.154；0.08扩大到原数的多少倍是8．
<gadget id="calculator">100 / 1</gadget>
<output>100</output>

<result>100</result>