5 times a number minus 16 equals 23, what is this number?
一个数的5倍减去16等于23，这个数是多少？
<gadget id="calculator">23 + 16</gadget>
<output>39</output>

<gadget id="calculator">39 / 5</gadget>
<output>39/5 = around 7.8</output>

<result>39/5 = around 7.8</result>