When Xiao Wang calculated 1.89 divided by a decimal, due to carelessness, he moved the decimal point of the quotient to the right by one place, and the result was 35. What is the divisor for this question?
小王在计算1.89除以一个小数时，由于粗心，把商的小数点向右移动了一位，结果得35．这道题的除数是多少？
<gadget id="calculator">1.89 / 3.5</gadget>
<output>0.54</output>

<result>0.54</result>