Lisa was collecting socks to donate to a homeless shelter. She bought 12 pairs at a discount store. Sandra, her friend, came over and brought her 20 pairs of socks. Her cousin showed up with one-fifth the number of pairs that Sandra bought. After work, Lisa’s mom brought 8 more than three times the number of pairs Lisa started with. How many pairs of socks did Lisa end up with?
Her cousin brought over 20/5=
<gadget id="calculator">20/5</gadget>
<output>4</output>
4 pairs of socks.
Three times more than Lisa bought was 12*3=
<gadget id="calculator">12*3</gadget>
<output>36</output>
36.
Her mom brought 36+8=
<gadget id="calculator">36+8</gadget>
<output>44</output>
44 pairs of socks.
In total Lisa had 12+20+4+44=
<gadget id="calculator">12+20+4+44</gadget>
<output>80</output>
80 pairs of socks.

<result>80</result>