The price of an item is 70 yuan, increase it by (2/3), and then decrease it by (1/10), what is the current price.
一种物品价格是70元，增加它的(2/3)，再减少(1/10)，现价是多少．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 + (2/3)</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">70 * (5/3) * (9/10)</gadget>
<output>105</output>

<result>105</result>