There are 100 red balls in the bag, the white balls are red balls (2/5), and the basketballs are white balls (3/4), so how many balls are there in the bag?
袋子里有红球100个，白球是红球的(2/5)，篮球是白球的(3/4)，那么袋子里一共有多少个球？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">100 * (2/5)</gadget>
<output>40</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">100 * (2/5) * (3/4)</gadget>
<output>30</output>

<gadget id="calculator">100 + 40 + 30</gadget>
<output>170</output>

<result>170</result>