How many times is the sum of the quotient of 12 divided by 600 plus 400 90 times?
12除600的商加上400的和是90的多少倍？
<gadget id="calculator">600 / 12</gadget>
<output>50</output>

<gadget id="calculator">50 + 400</gadget>
<output>450</output>

<gadget id="calculator">450 / 90</gadget>
<output>5</output>

<result>5</result>