Marcel bought a pen for $4, and a briefcase for five times the price. How much did Marcel pay for both items?
The cost of the briefcase was 5 * 4 = $
<gadget id="calculator">5*4</gadget>
<output>20</output>
20.
So for both items Marcel paid 4 + 20 = $
<gadget id="calculator">4+20</gadget>
<output>24</output>
24.

<result>24</result>