One of Robi's new year's resolutions is to start saving. He started to save $2 in January. This is followed by $4 in February and $8 in March. If he continues this saving pattern, how much will be his total savings after 6 months?
Robi will save $8 x 2 = $
<gadget id="calculator">8*2</gadget>
<output>16</output>
16 in April.
He will save $16 x 2 = $
<gadget id="calculator">16*2</gadget>
<output>32</output>
32 in May.
He will save $32 x 2 = $
<gadget id="calculator">32*2</gadget>
<output>64</output>
64 in June.
Hence, his total savings after 6 months will be $2 + $4 + $8 + $16 + $32 + $64 = $
<gadget id="calculator">2+4+8+16+32+64</gadget>
<output>126</output>
126.

<result>126</result>