5 times the sum of a number and 8 is equal to 102, find this number.
一个数与8的和的5倍等于102，求这个数．
<gadget id="calculator">102 / 5</gadget>
<output>102/5 = around 20.4</output>

<gadget id="calculator">(102/5) - 8</gadget>
<output>62/5 = around 12.4</output>

<result>62/5 = around 12.4</result>