When dividing two numbers, if the quotient is 30 after removing one zero at the end of the divisor, what is the original quotient?
两数相除，如果把除数末尾的0去掉一个后的商是30，原来的商是多少．
<gadget id="calculator">30 / 10</gadget>
<output>3</output>

<result>3</result>