Shem makes 2.5 times more money per hour than Kem. If Kem earns $4 per hour, how much does Shem earn for an 8-hour workday?
Shem earns $4 x 2.5 = $
<gadget id="calculator">4*2.5</gadget>
<output>10</output>
10 in an hour.
So, Shem earns $10 x 8 = $
<gadget id="calculator">10*8</gadget>
<output>80</output>
80 for an 8-hour workday.

<result>80</result>