Divide 210 into three numbers, A, B, and C. A is 70. The ratio of B to C is 4:3. What is C?
把210分成甲、乙、丙三个数，甲是70，乙和丙的比是4：3，丙是多少
<gadget id="calculator">210 - 70</gadget>
<output>140</output>

<gadget id="calculator">4 + 3</gadget>
<output>7</output>

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">140 * (3/7)</gadget>
<output>60</output>

<result>60</result>