There are 2 pieces of chocolate on one end of the balance, and (1/2) piece of chocolate and a weight of 100 grams on the other end. At this time, the balance is just balanced. What is the weight of one piece of chocolate in grams?
天平一端放着2块巧克力，另一端放着(1/2)块巧克力和100克的砝码，这时天平恰好平衡，则1块巧克力重多少克．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2 - (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">100 / (3/2)</gadget>
<output>200/3 = around 66.666667</output>

<result>200/3 = around 66.666667</result>