The decimal point of 3.05 is moved one place to the right first, and then two places to the left, the number is reduced to the original number
3.05的小数点先向右移动一位，再向左移动两位，这个数缩小为原来的多少
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

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