When a number is divided by 8, the quotient is 18. What is the number when the remainder is the largest.
一个数除以8，商是18，当余数最大时，这个数是多少．
<gadget id="calculator">18 * 8</gadget>
<output>144</output>

<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">144 + 7</gadget>
<output>151</output>

<result>151</result>