a/b=15...8, what is a when b is the smallest.
a/b=15…8，b最小时a是多少．
<gadget id="calculator">8 + 1</gadget>
<output>9</output>

<gadget id="calculator">15 * 9</gadget>
<output>135</output>

<gadget id="calculator">135 + 8</gadget>
<output>143</output>

<result>143</result>