John cuts down an 80-foot tree.  He can make logs out of 80% of it. He cuts it into 4-foot logs.  From each of those logs, he cuts 5 planks.  He then sells each plank for $1.2.  How much does he make?
He can use 80*.8=
<gadget id="calculator">80*.8</gadget>
<output>64</output>
64 feet of the tree.
That means he can make 64/4=
<gadget id="calculator">64/4</gadget>
<output>16</output>
16 logs.
That gives him16*5=
<gadget id="calculator">16*5</gadget>
<output>80</output>
80 planks.
So he makes 80*1.2=$
<gadget id="calculator">80*1.2</gadget>
<output>96</output>
96.

<result>96</result>