Add (1/3) of 4.5 to 13.5, divide the sum by (1/3), what is the quotient?
13.5加上4.5的(1/3)，所得的和除以(1/3)，商是多少？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">4.5 * (1/3)</gadget>
<output>1.5</output>

<gadget id="calculator">13.5 + 1.5</gadget>
<output>15</output>

<gadget id="calculator">15 / (1/3)</gadget>
<output>45</output>

<result>45</result>