0.4523 is expanded to 100 times of the original, and then the decimal point is moved to the left by three places.
0.4523先扩大到原来的100倍，再把小数点向左移动三位是多少．
<gadget id="calculator">0.4523 * 100</gadget>
<output>45.23</output>

<gadget id="calculator">45.23 / 1_000</gadget>
<output>0.04523</output>

<result>0.04523</result>