James splits 4 packs of stickers that have 30 stickers each.  Each sticker cost $.10.  If his friend pays for half how much did James pay?
He buys 4*30=
<gadget id="calculator">4*30</gadget>
<output>120</output>
120 stickers.
That means it cost 120*.1=$
<gadget id="calculator">120*.1</gadget>
<output>12</output>
12.
So he pays 12*.5=$
<gadget id="calculator">12*.5</gadget>
<output>6</output>
6.

<result>6</result>