What is the quotient of the sum of 28 and 72 divided by the quotient of 20 and 4
28与72的和除以20与4的商列式为多少
<gadget id="calculator">28 + 72</gadget>
<output>100</output>

<gadget id="calculator">20 / 4</gadget>
<output>5</output>

<gadget id="calculator">100 / 5</gadget>
<output>20</output>

<result>20</result>