express 25 mps in kmph? Pick one
A) 23  B) 88  C) 90  D) 27  E) 21
<gadget id="calculator">25 / 1_000</gadget>
<output>1/40 = around 0.025</output>

<gadget id="calculator">(1/40) * 3_600</gadget>
<output>90</output>

<result>C</result>
express 25 mps in kmph?
multiply(divide(25, const_1000), const_3600)
"25 * 18 / 5 = 90 kmph answer : c"