A bottle of 200 grams of pure milk, Xiao Ming drank (1/4) for the first time, filled up with water and shook it well, and then drank (1/3), how many grams of pure milk is left in the bottle?
一瓶纯牛奶200克，小明第一次喝了(1/4)，加满水摇匀后，又喝了(1/3)，这时瓶中剩下多少克纯牛奶？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">200 * (1/4)</gadget>
<output>50</output>

<gadget id="calculator">200 - 50</gadget>
<output>150</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">150 * (1/3)</gadget>
<output>50</output>

<gadget id="calculator">200 - 50 - 50</gadget>
<output>100</output>

<result>100</result>