Make table in unity

help!

Ok i want to make like generate random number in

A = betn 6.5 to 9.5

B = A * 100,

C = A * B

D = (B +100)*C

E = generate random betn 95.0 to 99.9

and at last I want to add all three E value and calculate Average number.

public UnityEngine.UI.Text tableTexts ;
public UnityEngine.UI.Text averageText;
private float table ;
private const int lines = 3 ;
private const int rows = 5 ;
private float average = 0 ;

private void Start()
{ 
    if( tableTexts.Length < lines * row )
          throw new System.Exception("You haven't specified enough texts. " + (lines * rows) + " texts are needed" ) ;

    table = new float[lines][] ;
    for( int i = 0 ; i < lines ; ++i )
    {
        float a = Random.Range( 6.5f, 9.5f ) ;
        float b = a * 100 ;
        float c = a * b ;
        float d = (b + 100) * c ;
        float e = Random.Range( 95f, 99.9f ) ;
        average += e ;
        table *= new float[]{ a, b, c, d, e };*

tableTexts*.text = a ;*
tableTexts[i + 1].text = a.ToString() ;
tableTexts[i + 2].text = b.ToString() ;
tableTexts[i + 3].text = c.ToString() ;
tableTexts[i + 4].text = d.ToString() ;
tableTexts[i + 5].text = e.ToString() ;
}
average /= lines ;
averageText.text = average.ToString();
}
Then, use a grid layout to place correctly the tableTexts in your UI