Let's evaluate: <math><msup><mrow><mn>7</mn></mrow><mrow><mn>2</mn></mrow></msup><mo> + </mo><mn>1</mn></math>
 <math><mn>49</mn><mo> + </mo><mn>1</mn></math>

▷<b>Result: &nbsp; <math><mn>50</mn></math></b><span style='font-size:smaller'> &nbsp; &nbsp; (processing: 2 steps, 0 ms)</span>