After the decimal point of 0.55 is moved two places to the right, and then one place to the left, the decimal point will be increased by how many times the original decimal point
0.55的小数点向右移动两位后，再向左移一位，这个小数就比原小数增加多少倍
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<result>9</result>