The ratio of the number of small screws to large screws is 1:9. There are 100 two types of screws in total. After 10 large screws are used, how many times will the number of large screws be the number of small screws?
小螺丝和大螺丝个数的比是1：9，两种螺丝共100个，大螺丝用去10个后，大螺丝个数是小螺丝个数的多少倍
<gadget id="calculator">1 + 9</gadget>
<output>10</output>

<gadget id="calculator">100 / 10</gadget>
<output>10</output>

<gadget id="calculator">10 * 9</gadget>
<output>90</output>

<gadget id="calculator">90 - 10</gadget>
<output>80</output>

<gadget id="calculator">80 / 10</gadget>
<output>8</output>

<result>8</result>