$240 was divided between Kelvin and Samuel. Samuel received 3/4 of the money. From his share, Samuel then spent 1/5 of the original $240 on drinks. How much does Samuel have left?
Samuel received 3/4 of $240, which is $240*(3/4) = $
<gadget id="calculator">240*3/4</gadget>
<output>180</output>
180.
He spent 1/5 of $240, which is $240*(1/5) = $
<gadget id="calculator">240*(1/5)</gadget>
<output>48</output>
48.
He spent this amount from his own share, so he has $180-$48 = $
<gadget id="calculator">180-48</gadget>
<output>132</output>
132 left.

<result>132</result>