The decimal point of 0.18 is moved one place to the right, and the number obtained after dividing by 100 is how many times smaller than the original.
0.18的小数点向右移动一位，再除以100得到的数，比原来减少多少倍．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<result>9</result>