What is the sum of the smallest three-digit number (1/5) and the largest two-digit number (2/9).
最小三位数的(1/5)与最大两位数的(2/9)的和是多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">100 * (1/5)</gadget>
<output>20</output>

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">99 * (2/9)</gadget>
<output>22</output>

<gadget id="calculator">20 + 22</gadget>
<output>42</output>

<result>42</result>