1(1/2) times of 9.8 is 2.4 more than 50% of a number, find this number. (solution by equation)
9.8的1(1/2)倍比一个数的50%多2.4，求这个数．(用方程解)
<gadget id="calculator">14.7 - 2.4</gadget>
<output>12.3</output>

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">12.3 / (1/2)</gadget>
<output>24.6</output>

<result>24.6</result>