Move the decimal point of 8.09 three places to the right first, and then move four places to the left, the number will be reduced to the original number
把8.09的小数点先向右移动三位，再向左移动四位，这个数就：缩小为原数的多少
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>