calculate average of 4 8 12
Let's calculate: <math><mfrac><mrow><mn>4</mn><mo> + </mo><mn>8</mn><mo> + </mo><mn>12</mn></mrow><mrow><mn>3</mn></mrow></mfrac></math>
 <math><mfrac><mrow><mn>12</mn><mo> + </mo><mn>12</mn></mrow><mrow><mn>3</mn></mrow></mfrac></math>
 <math><mfrac><mrow><mn>24</mn></mrow><mrow><mn>3</mn></mrow></mfrac></math>

▷<b>Result: &nbsp; <math><mn>8</mn></math></b><span style='font-size:smaller'> &nbsp; &nbsp; (computation took 3 steps and 0 ms)</span>