The sum of a number multiplied by (1/4) plus 8 is 12. What is this number? (solution with equation)
一个数乘(1/4)加上8的和是12，这个数是多少？(用方程解答)
<gadget id="calculator">12 - 8</gadget>
<output>4</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">4 / (1/4)</gadget>
<output>16</output>

<result>16</result>