Ali had $21. Leila gave him half of her $100. How much does Ali have now?
Leila gave 100/2 = $
<gadget id="calculator">100/2</gadget>
<output>50</output>
50 to Ali.
Ali now has $21+ $50 = $
<gadget id="calculator">21+50</gadget>
<output>71</output>
71.

<result>71</result>