What is the quotient of the sum of 18 and 45 divided by the difference of 28 and 14? What is the correct column
18与45的和除以28与14的差，商是多少？列式正确的是多少
<gadget id="calculator">18 + 45</gadget>
<output>63</output>

<gadget id="calculator">28 - 14</gadget>
<output>14</output>

<gadget id="calculator">63 / 14</gadget>
<output>9/2 = around 4.5</output>

<result>9/2 = around 4.5</result>