The front and back terms of the ratio on the left side of the equal sign are 16 and 2.4 respectively, and the ratio on the right side of the equal sign is x: 3, find x (use the ratio solution)
等号左边比的前项和后项分别是16和2.4，等号右边的比是x：3，求x(用比例解)
<gadget id="calculator">16 * 3</gadget>
<output>48</output>

<gadget id="calculator">48 / 2.4</gadget>
<output>20</output>

<result>20</result>