Question 1091916
<pre>
x          y          z
7          4
           9         10
</pre>

<pre>
x          y          z
7          4        10(4/9)=40/9
           9         10
</pre>

x:y:z
{{{7*9}}} : {{{4*9}}} : {{{(40/9)*9}}}

63:36:40