What is the sum of the quotient of 250 divided by 20 and 15?
250除以20的商与15的和是多少？
<gadget id="calculator">250 / 20</gadget>
<output>25/2 = around 12.5</output>

<gadget id="calculator">(25/2) + 15</gadget>
<output>55/2 = around 27.5</output>

<result>55/2 = around 27.5</result>