What is the sum of the quotient of 12 divided by (4/5) and the quotient of 16 (1/4)?
12除以(4/5)的商，加上16的(1/4)，和是多少？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">12 / (4/5)</gadget>
<output>15</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">16 * (1/4)</gadget>
<output>4</output>

<gadget id="calculator">15 + 4</gadget>
<output>19</output>

<result>19</result>