The quotient of a number divided by 9 is 18, what should be the dividend when the remainder is the largest.
一个数除以9商是18，当余数最大时被除数应是多少．
<gadget id="calculator">18 * 9</gadget>
<output>162</output>

<gadget id="calculator">9 - 1</gadget>
<output>8</output>

<gadget id="calculator">162 + 8</gadget>
<output>170</output>

<result>170</result>