What is the product of the sum of the smallest two-digit number and the largest single-digit number multiplied by 0.01?
最小的两位数同最大的一位数的和乘0.01，积是多少．
<gadget id="calculator">10 + 9</gadget>
<output>19</output>

<gadget id="calculator">19 * 0.01</gadget>
<output>0.19</output>

<result>0.19</result>