Two piles of wood, the first pile is used (2/3), the second pile is used (3/5), the remaining wood is less than the original first pile of wood (1/6), and the second pile is known There were originally 45 piles of wood. May I ask: How many pieces of wood were there in the first pile?
两堆木材，第一堆用掉(2/3)，第二堆用掉(3/5)，剩下的木材合在一起比原来第一堆木材少(1/6)，已知第二堆木材原有45根．请问：原来第一堆木材有多少根？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/6) - (1/3)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2 / 5 / (1/2)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">45 * (4/5)</gadget>
<output>36</output>

<result>36</result>