10: 4 seconds::?: 6 minutes  Choose the correct option:
A) 10  B) 15  C) 20  D) 25  E) 30
<gadget id="calculator">10 / 4</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">6 * (5/2)</gadget>
<output>15</output>

<result>B</result>
10: 4 seconds::?: 6 minutes
multiply(6, divide(10, 4))
"10 * 6 = 4 * x x = 15 answer : b"