On a wooden stick with a length of 100 cm, dye a red dot every 6 cm from left to right, and at the same time, dye a red dot every 5 cm from right to left, and then place the stick along all the red dots Saw off piece by piece, so how many short wooden sticks are there with a length of 4 cm?
在一根长100厘米的木棍上，自左至右每隔6厘米染一个红点，同时自右至左每隔5厘米也染上一个红点，然后沿所有的红点处将木棍逐段锯开，那么长度是4厘米的短木棍有多少条．
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">6 + 1</gadget>
<output>7</output>

<result>7</result>